Hettige, H. (2006). When do rural roads benefit the poor and how?: An in-depth analysis based on case studies. Operations Evaluation Dept., Asian Development Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHettige, Hemamala. When Do Rural Roads Benefit the Poor and How?: An In-depth Analysis Based on Case Studies. [Mandaluyong City]: Operations Evaluation Dept., Asian Development Bank, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHettige, Hemamala. When Do Rural Roads Benefit the Poor and How?: An In-depth Analysis Based on Case Studies. Operations Evaluation Dept., Asian Development Bank, 2006.
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