Putri Roudhoh, Wilda Syahri, A. Afrida, Muhammad Haris Effendi Hasibuan, and Febbry Romundza, “Pengembangan e-Modul Materi Kimia Hijau Berbasis Problem Based Learning (PBL) Berbantuan Heyzine Flipbook Berorientasi Kemampuan Berpikir Kritis”, jpm, vol. 16, no. 2, pp. 256–265, Mar. 2026.