Mining - Matias, Aura.; Reyes, Gerard; Calaywan, Juan Fidel B.; University of the Philippines Diliman. College of Engineering (Quezon City DZUP, 2012)
Small scale mining act.
Guest : Juan Fidel B. Calaywan.
Date broadcast : June 25,2012, Monday, 4-5 p.m.
Keywords: Mineral industries -- Philippines; Miners -- Philippines; Mining law -- Philippines