Husnul Khotimah, Amin Harahap, & Lily Rohanita Hasibuan. (2026). The Effectiveness of Digital Learning Media Based on Project Based Learning Assisted by Geogebra Classroom on Mathematics Learning Outcomes of Vocational High School Students. EduMatSains : Jurnal Pendidikan, Matematika Dan Sains, 10(4), 349–359. https://doi.org/10.33541/edumatsains.v10i4.8082