“EFEKTIVITAS PUPUK ORGANIK CAIR NASA TERHADAP PERTUMBUHAN STEK LADA (Piper Nigrum L.)”. JOURNAL OF SCIENCE AND SOCIAL RESEARCH 8, no. 4 (November 24, 2025): 4828–4833. Accessed August 4, 2026. https://goretanpena.com/jurnal/index.php/JSSR/article/view/4858.