“PENERAPAN PROJECT BASED LEARNING BERDIFERENSIASI BERBASIS SLOGAN PADA TEMA KEBERSIHAN LINGKUNGAN SEKOLAH DI SEKOLAH DASAR”, Grata, vol. 3, no. 2, hlm. 60–65, Jul 2026, Diakses: Jul 28, 2026. Tersedia pada: https://ejournal.mejailmiah.com/index.php/grata/article/view/420