Mallick, D., Ayub Ali, M., & Halder, J. (1999). Inching towards a new horizon. NGO Forum for Drinking Water Supply & Sanitation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMallick, Dwijen, Md Ayub Ali, और Joseph Halder. Inching Towards a New Horizon. Dhaka: NGO Forum for Drinking Water Supply & Sanitation, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMallick, Dwijen, et al. Inching Towards a New Horizon. NGO Forum for Drinking Water Supply & Sanitation, 1999.
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