operating audiovisual equipment
Eboch, Sidney C. and Cochern, George W.
operating audiovisual equipment - 2nd ed. - Scranton ; Chandler Publishing , 1968 - 76p.
0810200937
Education
Method Of Instruction
371.3 / EBO
operating audiovisual equipment - 2nd ed. - Scranton ; Chandler Publishing , 1968 - 76p.
0810200937
Education
Method Of Instruction
371.3 / EBO