00361nam a22001337a 4500003000400000005001700004008004100021020001100062040002500073100002600098245005700124260003500181300001100216OSt20260210091415.0260210b        |||||||| |||| 00| 0 eng d  a(pbk.)  cNVSU Library Bambang  aPortillo, Reynaldo R.  aResearch and Technical WritingcReynaldo R. Portillo  aBulacan:bTrinitas Pub.c2003.  a259 p.