Wijitra Liaotrakoon และผู้แต่งคนอื่นๆ. (2019) Behavior of vegetable production and attitude towards safe vegetable production of farmers in Phra Nakhon Si Ayutthaya province. <i>Khon Kaen Agriculture Journal</i>, <i>47</i>(5), 1045-1056.Wijitra Liaotrakoon และผู้แต่งคนอื่นๆ. "Behavior of vegetable production and attitude towards safe vegetable production of farmers in Phra Nakhon Si Ayutthaya province". Khon Kaen Agriculture Journal 47 (2019):1045-1056.Wijitra Liaotrakoon และผู้แต่งคนอื่นๆ. Behavior of vegetable production and attitude towards safe vegetable production of farmers in Phra Nakhon Si Ayutthaya province. Faculty of Agriculture:ม.ป.ท. 2019.