1.
Mendrofa SR, Ndruru B, Sitanggang STS, Harefa NK, Lase NA, Zendrato EK, et al. Conceptual Understanding of Human Circulatory System Among Preservice Elementary Teachers. GB [Internet]. 2026 Jun. 23 [cited 2026 Jun. 23];4(1):66-72. Available from: https://ojs.unias.ac.id/index.php/gb/article/view/916