Fitria, Efrida and Harahap, F.S. 2019. Analisis Vegetasi Gulma di lahan Tanaman Jagung (Zea mays L.). Jurnal Online PERTANIAN TROPIK. 6, 2 (Aug. 2019), 216- 221. DOI:https://doi.org/10.32734/jpt.v6i2.3155.