Resource productivity estimates for five types of Philippine farms - Quintana, Emilio U. ([Ann Arbor University of Microfilms], 1960)
"This O-P book is an authorized reprint of the original edition, produced by microfilm-xerography by University Microfilms, Inc., Ann Arbor, Mich., 1965."
Thesis (Ph.D.)--Purdue University, 1960.
Vita.
Keywords: Agriculture -- Economic spects -- Philippines