Busto, Arellano V. Electrical code: Republic Act No. 7920/ Compiled by Arellano V. Busto - Sampaloc, Manila: A.V.B. Printing Press, c2003. - i, 68 p. ; 22 cm. ISBN: 9718961283 Subjects--Topical Terms: Electrical engineering Dewey Class. No.: DFil 621.31924 / El2