Herawati, Helma, et al. “Harmonizing Nature and Knowledge: Crafting Engaging Thematic Teaching Tools for Expedition on Environmental Preservation”. Tekno - Pedagogi : Jurnal Teknologi Pendidikan, vol. 13, no. 1, Apr. 2023, pp. 21-31, doi:10.22437/teknopedagogi.v13i1.32525.