WARGANEGARA, Gorendva R.; GINTING, Yohanes Cahya; KUSHENDARTO, Kushendarto. Pengaruh Konsentrasi Nitrogen Dan Plant Catalyst Terhadap Pertumbuhan Dan Hasil Tanaman Selada (Lactuca sativa L.) Secara Hidroponik. Jurnal Penelitian Pertanian Terapan, [S. l.], v. 15, n. 2, 2017. DOI: 10.25181/jppt.v15i2.116. Disponível em: https://jurnal.polinela.ac.id/index.php/jppt/article/view/116. Acesso em: 17 sep. 2026.