Keshavarzi,A H , , Safari,S , and Khoshkho Titkanloo,S . "invinvestigating the effect of knowledge acquisition method on entrepreneurships' innovation in agriculture businesses (Case study: greenhouse agricultural industry in the Pakdasht city of Tehran Province", Journal of Technology Development Management, 3, 4, 2016, 139-164. doi: 10.22104/jtdm.2016.411