Talakua, Calvin, and Centhya Victorin Maitimu. 2020. “Efektifitas Media Pembelajaran Berbasis Smartphone Untuk Mengembangkan Sikap Peduli Lingkungan Peserta Didik : (The Effectiveness of Smartphone Based Learning Media to Develop Attitudes Caring for Students ’Environmental)”. BIODIK 6 (3). https://doi.org/10.22437/bio.v6i3.10006.