“Pengaruh Strategi Pembelajaran Tipe Two Stay Two Stray Berbasis WhatsApp Terhadap Hasil Belajar Materi Zat Aditif Dan Adiktif Di SMP Negeri 4 Bitung”. SCIENING : Science Learning Journal 2, no. 1 (June 30, 2021): 30 35. Accessed February 25, 2026. https://ejurnal.unima.ac.id/index.php/sciening/article/view/857.