Lewis, J. P., & Uphoff, N. T. (1988). Strengthening the poor: What have we learned? Transaction Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLewis, John P., और Norman Thomas Uphoff. Strengthening the Poor: What Have We Learned? New Brunswick, USA: Transaction Books, 1988.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLewis, John P., और Norman Thomas Uphoff. Strengthening the Poor: What Have We Learned? Transaction Books, 1988.
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