00345nam a22001337a 4500003000400000005001700004008004100021020001100062040002500073100001800098245005000116260003500166300001000201OSt20260210091238.0260202b        |||||||| |||| 00| 0 eng d  a(pbk.)  cNVSU Library Bambang  aDR. R. Valdez  aResearch and technical writingcDR. R. Valdez  aBulacan:bTrinitas Pub.c2003.  a49 p.