Zulkarnain, T.S. and Tanjung, I.F. 2023. STEM Based Ecosystem Module: An Effort to Improve Students’ Science Process Skill. Jurnal Pendidikan dan Pengajaran. 56, 1 (Apr. 2023), 33–44. DOI:https://doi.org/10.23887/jpp.v56i1.59516.