Siregar, Maimunah, Hanifah Mutia Zaida Ningrum Amrul, and Brendy Matalauta gm. 2024. “Making Goat Urine Poc for Cultivation Celery Plants (Apium Graveolens L.) In The Use of House Yards With A Verticulture System”. International Conferance Of Digital Sciences And Engineering Technology 1 (1):146-51. https://proceeding.pancabudi.ac.id/index.php/ICDSET/article/view/175.