Syazali, M. et al. 2021. Potential analysis of Asian toad (Duttaphrynus melanostictus) as a controller of harmful insects and their substitutions in elementary school science lessons. Jurnal Pijar Mipa. 16, 4 (Sep. 2021), 547–554. DOI:https://doi.org/10.29303/jpm.v16i4.2816.