Longh, H. d. (1981). Small is difficult: A case study of the experience of 353 farmers, fishermen and small traders with an appropriate technology program in Indonesia (2nd ed.). Committee for International Co-operation Activities, Eindhoven University of Technology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLongh, Hans de. Small Is Difficult: A Case Study of the Experience of 353 Farmers, Fishermen and Small Traders with an Appropriate Technology Program in Indonesia. 2nd ed. Eindhoven: Committee for International Co-operation Activities, Eindhoven University of Technology, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLongh, Hans de. Small Is Difficult: A Case Study of the Experience of 353 Farmers, Fishermen and Small Traders with an Appropriate Technology Program in Indonesia. 2nd ed. Committee for International Co-operation Activities, Eindhoven University of Technology, 1981.