Abrol, Y. (1990). Nitrogen in higher plants (1st edition.). Wiley.
Cita Chicago Style (17a ed.)Abrol, Y.P. Nitrogen in Higher Plants. 1st edition. New York: Wiley, 1990.
Cita MLA (8a ed.)Abrol, Y.P. Nitrogen in Higher Plants. 1st edition. Wiley, 1990.
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