MEHRA R K. (2021). TEXTBOOK OF SOIL SCIENCE. ICAR, NEW DELHI.
Chicago-čujuhus (17. p.)MEHRA R K. TEXTBOOK OF SOIL SCIENCE. ICAR, NEW DELHI, 2021.
MLA-čujuhus (9. p.)MEHRA R K. TEXTBOOK OF SOIL SCIENCE. ICAR, NEW DELHI, 2021.
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