Yarmalinda, D., Imron, M., Fakaubun, S. and Numberi, Y.K. 2026. An Ethnobiology-Based Instructional Model Integrating Indigenous Papuan Knowledge: The Mediating Role of Systems Thinking in Enhancing Environmental Literacy. ISEJ : Indonesian Science Education Journal. 7, 2 (May 2026), 391-402. DOI:https://doi.org/10.62159/isej.v7i2.2144.