na YOGYA-02090000019379 20090227022955.0 ind 010-020900000019379 621.3 621.3 Joh K JOHARTONO Keterampilan elektro Johartono, Abu Ahmadi Bandung Armico 1987 144 hlm ilus 20 cm Elektronika Ahmadi, abu YOPDYOG 16-03-06 1 PKL-ATM P000030144