Pantas Simanjuntak, Lince Romauli Panataria, and Ipan Evendra Purba, “The Effect Of Giving Cow Manure And Liquid Organic Fertilizer On Growth And Production Sweet Corn Plant: Zea mays Saccharata Sturt”., Tumbuhan, vol. 2, no. 2, pp. 81–96, May 2025.