Astuti A, Panjaitan RGP, Titin T. Kelayakan Media Video Pembelajaran pada Submateri Sistem Endokrin. J Educ [Internet]. 2021 Dec. 15 [cited 2025 Apr. 9];19(2):290-303. Available from: https://journal.upgripnk.ac.id/index.php/edukasi/article/view/2919