Alimen, Rolando. Electro technology 2 / Rolando Alimen and 4 others. - Philippines: Philippine Foundation for Maritime Teaching Aids, Inc. and Authors, c2003. - 142 pages : ill., b & w, 23 cm. ISBN: 9710306049 Subjects--Topical Terms: Electro technology. LC Class. No.: FIL TK 1 / E44 2003