sihotang enni dosmaria. Development of Environmental Based Biodiversity Booklet as a Learning Resource for Grade X SMA Negeri 1 Berastagi. Jurnal Pelita Pendidikan [Internet]. 30 Desember 2023 [dikutip 31 Juli 2025];11(4). Tersedia pada: https://jurnal.unimed.ac.id/2012/index.php/pelita/article/view/34076