Potash Research Institute of India. (1989). Maximum yield research: Proceeding of symposium on Maximum Yeild Research, November 16-18,1988, New Delhi, India. Haryana, India: Potash Research Institute of India.
シカゴスタイル引用形Potash Research Institute of India. Maximum Yield Research: Proceeding of Symposium On Maximum Yeild Research, November 16-18,1988, New Delhi, India. Haryana, India: Potash Research Institute of India, 1989.
MLA引用形式Potash Research Institute of India. Maximum Yield Research: Proceeding of Symposium On Maximum Yeild Research, November 16-18,1988, New Delhi, India. Haryana, India: Potash Research Institute of India, 1989.
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