Widodo, Widodo, Muhammad Ja’far Luthfi, and Riyanto Riyanto. “A Photographic Atlas of Nglanggeran Plant Herbarium As a Plant Taxonomy Learning Source”. Proceeding International Conference on Religion, Science and Education 1 (February 22, 2022): 871–874. Accessed September 15, 2026. https://sunankalijaga.org/prosiding/index.php/icrse/article/view/878.