na YOGYA-02090000019245 20090227022946.0 ind 010-020900000019245 621.3843 621.3843 Har T HARIADI, Ichwan Teknik radio service Ichwan Hariadi Yogyakarta Integritas 1968 174 hlm ilus 21 cm Bibliografi : hlm. 173-174 Teknik Radio YOPDYOGB '1-03-06 1 rtrevTM b000009284