Angkana Somsak และ Thaworn Onpraphai and Kritsada Kaenmanee. (2020) Land suitability and economic cost worthiness assessments for planting model under agroforestry system on highland, Nan province. <i>Khon Kaen Agriculture Journal</i>, <i>48</i>(3), 623-638.Angkana Somsak และ Thaworn Onpraphai and Kritsada Kaenmanee. "Land suitability and economic cost worthiness assessments for planting model under agroforestry system on highland, Nan province". Khon Kaen Agriculture Journal 48 (2020):623-638.Angkana Somsak และ Thaworn Onpraphai and Kritsada Kaenmanee. Land suitability and economic cost worthiness assessments for planting model under agroforestry system on highland, Nan province. Faculty of Agriculture:ม.ป.ท. 2020.