PENGEMBANGAN E-BOOKLET LIKEN DI UIN SUNAN KALIJAGA SEBAGAI MEDIA PEMBELAJARAN BIOLOGI SMANIM.: 21104070030Adenin Kamelia ElbayaniauthorLearning resources for lichen material are still limited. This study aims to determine the diversity of lichens at UIN Sunan Kalijaga Yogyakarta, explain the development of e-booklet media on lichen material as a biology learning medium in high school, determine the feasibility, and determine the practicality of lichen e-booklets. The method in lichen diversity research uses the profile matching method, while in the creation of e-booklet products using RnD with a 4D model. The results of lichen diversity research at UIN Sunan Kalijaga obtained 21 lichen species. The assessment of the feasibility and practicality of the e-booklet was carried out through validation tests and response trials by teachers and students. The validation of material experts obtained a percentage of 70% with a feasible category and validation of media experts obtained a percentage of 90% with a very feasible category. The response trial by teachers obtained a percentage of 90% with a very practical category and the student response trial obtained a percentage of 90.74% with a very practical category. Based on the results of these assessments, the Lichen Diversity e-booklet at UIN Sunan Kalijaga is very feasible and very practical to use.371.33 Media Pembelajaran2026-07-15UIN SUNAN KALIJAGA YOGYAKARTA;FAKULTAS ILMU TARBIYAH DAN KEGURUANThesis