Andri Suryana, Mirna Herawati, Fadjriah Hapsari. IMPLEMENTASI PEMBELAJARAN OPEN ENDED BERBASIS APOS. jpkmi [Internet]. 2021 Dec. 15 [cited 2025 Apr. 28];1(3):6-11. Available from: https://researchhub.id/index.php/jpkmi/article/view/38