Bornemisza Steiner, E., Constenla Umaña, M. A., Alvarado, A., Ortega, J., & Vasquez, J. (1979). Organic Carbon Determination by the Walkley-Black and Dry Combustion Methods in SurfaceSoils and Andept Profiles from Costa Rica.
शिकागो स्टाइल उद्धरणBornemisza Steiner, Elemer, Manuel Arturo Constenla Umaña, A. Alvarado, J. Ortega, और J. Vasquez. Organic Carbon Determination By the Walkley-Black and Dry Combustion Methods in SurfaceSoils and Andept Profiles From Costa Rica. 1979.
एमएलए उद्धरणBornemisza Steiner, Elemer, et al. Organic Carbon Determination By the Walkley-Black and Dry Combustion Methods in SurfaceSoils and Andept Profiles From Costa Rica. 1979.
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