PENERAPAN PROJECT BASED LEARNING BERDIFERENSIASI BERBASIS SLOGAN PADA TEMA KEBERSIHAN LINGKUNGAN SEKOLAH DI SEKOLAH DASAR. Grata [Internet]. 2026 Jul. 4 [cited 2026 Aug. 25];3(2):60-5. Available from: https://ejournal.mejailmiah.com/index.php/grata/article/view/420