SARKAR DIPAK , H. A. (2016). PHYSICAL AND CHEMICAL METHOD IN SOIL ANALYSIS (2ND.). NEW AGE INTERNATIONAL.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSARKAR DIPAK , HALDAR ABHIJIT. PHYSICAL AND CHEMICAL METHOD IN SOIL ANALYSIS. 2ND. NEW AGE INTERNATIONAL, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSARKAR DIPAK , HALDAR ABHIJIT. PHYSICAL AND CHEMICAL METHOD IN SOIL ANALYSIS. 2ND. NEW AGE INTERNATIONAL, 2016.
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