Mara, D. (1985). APPROPRIATE TECHNOLOGY FOR WATER SUPLY AND SANITATION: SANITATION ALTERNATIVE FOR LOW-INCOME COMUNI. World.
Chicago Style (17. basım) AtıfMara, Duncan. APPROPRIATE TECHNOLOGY FOR WATER SUPLY AND SANITATION: SANITATION ALTERNATIVE FOR LOW-INCOME COMUNI. World, 1985.
MLA (8th ed.) AtıfMara, Duncan. APPROPRIATE TECHNOLOGY FOR WATER SUPLY AND SANITATION: SANITATION ALTERNATIVE FOR LOW-INCOME COMUNI. World, 1985.
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