Srithornrath, Nuengruethai, Chutima Koshawatana, Pichet Grudloyma, and Suwanna Praneetwatakul. 2017. “Economic Impact Assessment on Nakhonsawan 3 : Drought Tolerant Hybrid Maize”. Thai Agricultural Research Journal 35 (3):296-309. https://doi.org/10.14456/thaidoa-agres.2017.1.