Nattariya Pakdeepunya และ Panitarn Peerapattana. (2015) An improvement of agricultural equipment manufacturing by using lean techniques : A case study of agricultural machinery company. <i>KKU Engineering Journal</i>, <i>42</i>(2), 145-153.Nattariya Pakdeepunya และ Panitarn Peerapattana. "An improvement of agricultural equipment manufacturing by using lean techniques : A case study of agricultural machinery company". KKU Engineering Journal 42 (2015):145-153.Nattariya Pakdeepunya และ Panitarn Peerapattana. An improvement of agricultural equipment manufacturing by using lean techniques : A case study of agricultural machinery company. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2015.