Research and technical writing.
Portillo, Reynaldo R. (et.al.)
Research and technical writing. - Philippines: Trinitas Publishing, Inc., c2003. - 259p. : ill ; 254cm
971-42-0393-7
Fil. 001.4 P830 c2003
Research and technical writing. - Philippines: Trinitas Publishing, Inc., c2003. - 259p. : ill ; 254cm
971-42-0393-7
Fil. 001.4 P830 c2003