Samatcha Krungkaew, Kanokwan Kingphadung, Suphaphat Kwonpongsagoon, and Busarakorn Mahayothee. 2020. “COSTS AND BENEFITS OF USING PARABOLIC GREENHOUSE SOLAR DRYERS FOR DRIED HERB PRODUCTS IN THAILAND”. GEOMATE Journal 18 (67):96-101. https://geomatejournal.com/geomate/article/view/492.