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Down to Earth Published by: Midland, Dow Chemical U.S.A., Agricultural Products Department (United States of America) Subject: Chemistry Agriculture Language: English Published: 1944 Available at 64 Universities. | |||
Indian Journal of Open Learning Published by: New Delhi, Indira Gandhi National Open University (India) Language: English Published: 1992 ISSN: 0971-2690 Available at 37 Universities. |