Olepia, Pazilla, Irwan Agusnu Putra, and Ahmad Nadhira. “DYNAMICS OF ZINC (Zn) MICRONUTRIENT CONTENT IN THE SOIL OF RUBBER (Hevea Brasiliensis) PLANTATIONS AT PT DARSUM ESTATE AND SMALLHOLDER PLANTATIONS, LANGKAT REGENCY”. Algebra : Jurnal Pendidikan, Sosial dan Sains 6, no. 3 (September 26, 2026): 477–481. Accessed October 29, 2026. https://algebra.yana.or.id/index.php/ejournal/article/view/308.