Electricity 3 and 4 : Young Leaders Livelihood Series.
c1993.
Electricity 3 and 4 : Young Leaders Livelihood Series. - Metro, Manila, Philippines : Basic Media Systems, Inc, c1993. - iv ; 100p. : ill. ; colored ; 10 inch.
971-8509-79-8
Electricity 3 and 4 : Young Leaders Livelihood Series. - Metro, Manila, Philippines : Basic Media Systems, Inc, c1993. - iv ; 100p. : ill. ; colored ; 10 inch.
971-8509-79-8