Hamidi, H., Purwoko, A. A. ., Al Idrus, A., Harjono, A. ., Rokhmat, J., & Sukarso, A. (2023). Trends in Ecotourism Research in Indonesia: Basic Analysis of the Development of Ecotourism-Based Teaching Materials. Jurnal Penelitian Pendidikan IPA, 9(7), 246–255. https://doi.org/10.29303/jppipa.v9i7.4028