1.
Yunus M, Amirullah A, Safiah I, Ridha S, Suartama IK. Development of the CPOL design to improve the ability to develop teaching materials. CJES [Internet]. 2022 May 30 [cited 2024 Nov. 21];17(5):1655-70. Available from: https://un-pub.eu/ojs/index.php/cjes/article/view/7257