1. Anim, Prasetyo, Y. D. & Rahmadani, E. (2019). Experimentation of problem posing learning model assisted of autograph software to students’ mathematical communication ability in terms of student’s gender. The International Journal of Social Sciences, 7(2), 331-342. https://doi.org/10.26811/peuradeun.v7i2.301
2. Arikan, E. E. & Unal, H. (2015). An investigation of eighth grade students’ problem posing skills (Turkey sample). International Journal of Research in Education and Science, 1(1), 23-30. doi: 10.21890/IJRES.28526
3. Cai, J., Chen, T., Li, X., Xu, X., Zhang, S., Hu, Y., Zhang, L. & Song, N. (2019). Exploring the impact of a problem-posing workshop on elementary school mathematics teachers’ conceptions on problem posing and lesson design. International Journal of Educational Research, 102, 1-12. https://doi.org/10.1016/j.ijer.2019.02.004
4. Calabrese, J., Kopparla, M. & Capraro, M. M. (2020). Examining young children’s multiplication understanding through problem posing. Educational Studies, 1-16. https://doi.org/10.1080/03055698.2020.1740976
5. Gay, L. R., Mills, G. E. & Airasian, P. (1992). Educational Research: Competencies for Analysis and Applications, Edisi ke-10, Boston, Pearson.
6. Ghazali Darusalam & Sufean Hussin. (2018). Metodologi Penyelidikan Dalam Pendidikan, Edisi ke-2, Kuala Lumpur, Penerbit Universiti Malaya.
7. Guvercin, S., Cilavdaroglu, A. K. & Savas, A. C. (2014). The effect of problem posing instruction on 9th grade students’ mathematics academic achievement and retention. The Anthropologist 17(1): 129-136. https://doi.org/10.1080/09720073.2014.11891422
8. Isrokatun, I., Syahid, A. A., Putri, H. E., Julia, J. & Sunaengsih, C. 2019. Problem posing skill of elementary school students. Journal of Physics: Conference Series, hlm. 1-7. doi: 10.1088/1742-6596/1318/1/012124
9. Kaba, Y. & Sengul, S. 2017. The relationships between middle school students’ problem posing achievements and math problem solving attitudes: Fractions. New Trends and Issues Proceedings on Humanities and Social Sciences, hlm. 256-262. doi: 10.15390/EB.2019.7315
10. Karakuş, M., Türkkan, B. T. & Öztürk, B. K. 2020. Mathematical and linguistic examination of the problems posed by sixth grade students’. SDU International Journal of Educational Studies 7(2): 287-304. https://doi.org/10.33710/sduijes.735814
11. Kul, U. & Çelik, S. 2020. A Meta-analysis of the impact of problem posing strategies on students’ learning of mathematics. Revista Romaneasca Pentru Educatie Multidimensionala 12(3): 341-368. https://doi.org/10.18662/rrem/12.3/325
12. Lednicky, L. 2015. Problem posing as a tool for developing and designing tasks. Acta Mathematica Nitriensia. 1(1): 92-99. doi: 10.17846/AMN.2015.1.1.92-99
13. Munroe, K. L. 2016. Assessment of a problem posing task in a Jamaican grade four mathematics classroom. Mathematics Education 7(1): 51-58. doi: 10.7916/JMETC.V7I1.788
14. Norulbiah Ngah, Zaleha Ismail, Zaidatun Tasir & Mohd Nihra Haruzuan Mohamad Said. 2016. Students’ ability in free, semi-structured and structured problem posing situations. Advanced Science Letters 22(12): 4205-4208. doi: 10.1166/asl.2016.8106
15. Ozdemir, A. S. & Sahal, M. 2018. The effect of teaching integers through the problem posing approach on students’ academic achievement and mathematics attitudes. Eurasian Journal of Educational Research 2018(78): 117-138. doi: 10.14689/ejer.2018.78.6
16. Ozgen, K., Aydin, M., Gecici, M. E. & Bayram, B. 2019. An investigation of eighth grade students’ skills in problem posing. International Journal for Mathematics Teaching and Learning 20(1): 106-130.
17. Pittalis, M., Christou, C., Mousoulides, N. & Pitta-Pantazi, D. 2004. A structural model for problem posing. Proceedings of the 28th Conference of the International Group for The Psychology of Mathematics Education, hlm. Vol.4, 49-56.
18. Rachmawati, Y. I., Sugandi, E. & Prayitno, L. L. 2019. Senior high school students’ ability in posing system of linear equations in two variables problems. Journal of Research and Advances in Mathematics Education 4(1): 57-65. doi: 10.23917/jramathedu.v1i1.6954
19. Rosli, R., Capraro, M. M., Goldsby, D., Gonzalez, E. G., Onwuegbuzie, A. J. & Capraro, R. M. 2015. Middle grade preservice teacher’ mathematical problem solving and problem posing. Dlm. Singer, F., Ellerton, F. N. & Cai J. (pnyt.). On the relationship between problem posing, problem solving and creativity in the primary school, hlm. 333-354. Springer, New York, NY.
20. Saleh, S. F., Purwanto, P. Sudirman, S. & Hidayanto, E. 2020. Pre-service elementary school teachers’ awareness of posing mathematical Pseudo-problems. Journal Technology Education Management Informatics 9(3): 1252-1261. doi: 10.18421/TEM93-54
21. Sari, N. & Surya, E. 2017. Analysis effectiveness of using problem posing model in mathematical learning. International Journal of Sciences: Basic and Applied Research 33(3): 13-21.
22. Tan, R. 2018. Strengthening the students’ achievement in mathematics through problem posing. Science International (Lahore) 30(2): 229-232.