Oktavia, Amalia, Ilham Marvie, & Muhammad Iqbal. "The Application of Environmentally Friendly Technology for Student Learning Materials at SMA Tunas Mekar Indonesia Bandar Lampung." TeknoKreatif: Jurnal Pengabdian kepada Masyarakat [Online], 3.1 (2023): 56-61. Web. 3 Jul. 2024