00000cam a22000004a 4500 UP-99796217605567925 Buklod 20230503092542.0 t rb |||| u| ta 040115s1991 xx r |||| u|eng d (iLib)UPD-00000338007 ISSI eng 1453 A4 Ifzal, Ali Economic analysis of investment in power systems Ifzal, Ali. Philippines Asian Development Bank 1991 46p Asian Development Bank Economic Staff Paper No.49 Economic analysis . Book Monograph UPD ISSI 1453 A4 Book