Ryan, J., & Estefan, G. R. (2007). Soil and plant analysis laboratory manual (2nd. ed.). Scientific Publishers.
Chicago Edition CitationRyan, John, and George Rashid Estefan. Soil and Plant Analysis Laboratory Manual. 2nd. ed. Jodhpur: Scientific Publishers, 2007.
Deismireacht MLARyan, John, and George Rashid Estefan. Soil and Plant Analysis Laboratory Manual. 2nd. ed. Scientific Publishers, 2007.
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