Hamidi, Hamidi, Agus Abhi Purwoko, Agil Al Idrus, Ahmad Harjono, Joni Rokhmat, and A.A. Sukarso. 2023. “Trends in Ecotourism Research in Indonesia: Basic Analysis of the Development of Ecotourism-Based Teaching Materials”. Jurnal Penelitian Pendidikan IPA 9 (7):246-55. https://doi.org/10.29303/jppipa.v9i7.4028.