Society for Environment and Human Development (Dhaka, Bangladesh), Gain, P., & Moral, S. (1999). Leather industry: Environmental pollution and mitigation measures. Society for Environment and Human Development.
Lua i Stíl Chicago (17ú heag.)Society for Environment and Human Development (Dhaka, Bangladesh), Philip Gain, agus Shishir Moral. Leather Industry: Environmental Pollution and Mitigation Measures. Dhaka: Society for Environment and Human Development, 1999.
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Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.