Soil survey of Laguna province, Philippines - Alicante, M. M.; Philippines (Republic) Department of Agriculture and Natural Resources; Division of Soil Survey and Conservation (Manila Bureau of Printing, 1948)
"With a discussion on chemical characteristics of the soils of Laguna province by R.T. Marfori, S.B. Etorma, and M.V. Tiangoco."
Keywords: Soils -- Philippines -- Laguna