Tangnga Layuk, Rhamatya, Guruh Prihatmo, and Dwi Aditiyarini. “STUDI KOMPARASI KANDUNGAN TIMBAL PADA KANGKUNG (Ipomea Aquatica Forsk.) DARI PASAR TRADISIONAL DAN SUPERMARKET DI YOGYAKARTA: Comparative Study of Lead Content in Kangkung (Ipomea Aquatica Forsk.) from Traditional Markets and Supermarkets in Yogyakarta”. Biospecies 15, no. 2 (July 11, 2022): 47–54. Accessed April 23, 2026. https://www.online-journal.unja.ac.id/biospecies/article/view/13787.