00000cam a22000004a 4500 UP-99796217605439867 Buklod 20230503092542.0 m |o d | ta 080210s1975 xx r |000 u|eng d (iLib)UPD-00000329994 eng DMLUC HE 276 Z7 B4 T74 Tria, Agapito M. SSRU transportation inventory of the Bicol River Basin as of January 1974 Agapito M. Tria II. [Camarines Sur] Social Survey Research Unit, Bicol River Basin Development Program 1975. 1 v. (various pagings) SSRU research report series no.16 Mimeographed. Transportation Philippines Bicol. Book FI Paper UPD DSURP HE 276 Z7 B4 T74 Book