Khoiriyah, Riva, Sukriadi Sukriadi, Rosita Putri Rahmi Haerani, Erna Suhartini, and Shelly Efwinda. “The Design and Validity of STEM-EDP-Gamification Worksheet: Ways to Improve Students’ Perception of Their STEM Skills and Motivation”. Jurnal Pendidikan Matematika dan Sains 14, no. 1 (December 28, 2025): 92–106. Accessed December 30, 2025. https://journal.uny.ac.id/index.php/jpms/article/view/92031.