Husnul Khotimah, Amin Harahap, Lily Rohanita Hasibuan. 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 [Internet]. 2026 Apr. 30 [cited 2026 Jun. 26];10(4):349-5. Available from: https://ejournal.uki.ac.id/index.php/edumatsains/article/view/8082