PENERAPAN MODEL PROJECT BASED LEARNING DALAM MENINGKATKAN HASIL BELAJAR IPA MATERI PENCEMARAN LINGKUNGAN PADA SISWA KELAS VII SMPN 2 LANGOWAN. BIOCHEPHY:JSE [Internet]. 2025 Jun. 2 [cited 2026 Oct. 9];5(1):627-34. Available from: https://journal.moripublishing.com/index.php/biochephy/article/view/1614