Radio operators examinations : national telecommunication commission, vol. 2 /
Ferrer, Daniel C., Sr.
Radio operators examinations : national telecommunication commission, vol. 2 / Daniel C. Ferrer Sr. - Revised edition - Manila : National Book Store, 1984. - viii, 613 pages : 17 cm.
9710805088
Radio control--Examinations, questions, etc.
621.384196 / F414r
Radio operators examinations : national telecommunication commission, vol. 2 / Daniel C. Ferrer Sr. - Revised edition - Manila : National Book Store, 1984. - viii, 613 pages : 17 cm.
9710805088
Radio control--Examinations, questions, etc.
621.384196 / F414r