A. Miftakhurrohmat and F. Y. Nur Jannah, “The Effects of PGR Soaking Treatment and Cow Manure Fertilizer Dosage On Corn (Zea mays L.) Variety Arjuna Growth and Yield: Pengaruh Perendaman ZPT dan Dosis Pupuk Kandang Sapi Terhadap Pertumbuhan dan Produksi Tanaman Jagung (Zea mays L.)”, nabatia, vol. 6, no. 2, pp. 63–68, Dec. 2018.