Pramono, Yasmine Az Zahra, 		Abdussakir, Abdussakir, 		Irawan, Wahyu, AND 		Sujarwo, Imam.
" Students Proportional Reasoning Level in Solving Ill Structured Problem on Proportion Material in Terms of Gregorc’s Thinking Style" <em>Journal of Medives : Journal of Mathematics Education IKIP Veteran Semarang</em> [Online], Volume 9 Number 1 (6 January 2025)