Pit Jitpakdee และผู้แต่งคนอื่นๆ. (2021) The participatory public policy formulation of civil society on chemical usage reduction in agriculture: the case of Nong Bua Lamphu, Thailand. <i>Humanities, Arts and Social Sciences Studies</i>, <i>21</i>(3), 416-424.Pit Jitpakdee และผู้แต่งคนอื่นๆ. "The participatory public policy formulation of civil society on chemical usage reduction in agriculture: the case of Nong Bua Lamphu, Thailand". Humanities, Arts and Social Sciences Studies 21 (2021):416-424.Pit Jitpakdee และผู้แต่งคนอื่นๆ. The participatory public policy formulation of civil society on chemical usage reduction in agriculture: the case of Nong Bua Lamphu, Thailand. Silpakorn University Research Innovation and Creativity Administration Office:ม.ป.ท. 2021.