Chutima Koshawatana, Pichet Grudloyma, & Wimonrut Indan. (2010). Inbred Planting Technique for Nakhon Sawan 3 Hybrid Maize Seed Production. Agriculture and Natural Resources, 44(5), 776–782. Retrieved from https://li01.tci-thaijo.org/index.php/anres/article/view/244988