GuntoroD., ChozinM.A., SantosaE., TjitrosemitoS. and BurhanA.H. 1. Kompetisi antara Ekotipe Echinochloa crus-galli pada Beberapa Tingkat Populasi dengan Padi Sawah (Competition of Echinochloa crus-galli Ecotypes at Several Populations Against Lowland Rice). Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy). 37, 3 (1). DOI:https://doi.org/10.24831/jai.v37i3.1236.