Zhapparbergenova, E.B, G.B Alpamysova, F.M Abdullayeva, ve G.I Issayev. 2020. “APPLICATION OF THE SINGAPORE METHOD OF PROBLEM-BASED LEARNING (PBL) IN THE FIELD OF ECOLOGY AND BIOTECHNOLOGY”. Euroasia Journal of Mathematics, Engineering, Natural & Medical Sciences 7 (8):29-32. https://doi.org/10.38065/euroasiaorg.18.