Mata, E. M. (1977). The use of geological and geophysical methods (induced polarization, var. freq. type) in the search for ore bodies in Kanapnapan, Luay and Central area, Cebu [microform]. Photoduplication Service. University of the Philippines Library.
Cita Chicago (17th ed.)Mata, Eric Molina. The Use of Geological and Geophysical Methods (induced Polarization, Var. Freq. Type) in the Search for Ore Bodies in Kanapnapan, Luay and Central Area, Cebu [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Cita MLA (9th ed.)Mata, Eric Molina. The Use of Geological and Geophysical Methods (induced Polarization, Var. Freq. Type) in the Search for Ore Bodies in Kanapnapan, Luay and Central Area, Cebu [microform]. Photoduplication Service. University of the Philippines Library, 1977.