1.
Syamsafitri S, Gunawan I, Rambe RDH, Dalimunthe M, Nurhayati N. Conversion of Rubber Land Into Palm Oil and Its Effect on Production in North Sumatra. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 Mar. 31 [cited 2024 May 20];9(3):1503-11. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/3349