Jusuf, Ridwan. “Peningkatan Kualitas Pembelajaran Melalui Lesson Studi”. Primaria Educationem Journal (PEJ) 1, no. 1 (May 31, 2018): 8-19. Accessed May 18, 2024. http://journal.unla.ac.id/index.php/pej/article/view/1068.