Varghese, T., & Byju, G. (1993). Laterite Soils: Their distribution Charracteristics, Classification and management. State Committee on Science, Technology and Environment.
Dyfyniad Arddull ChicagoVarghese, Thomas, and G. Byju. Laterite Soils: Their Distribution Charracteristics, Classification and Management. Thiruvananthapuram: State Committee on Science, Technology and Environment, 1993.
Dyfyniad MLAVarghese, Thomas, and G. Byju. Laterite Soils: Their Distribution Charracteristics, Classification and Management. State Committee on Science, Technology and Environment, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.