00552nam a2200157 a 450000500170000000800410001704000210005810000600007924500400013926000210017930000170020065000370021794200120025499900170026695201110028320230728103722.0071005s19uu    xx            00    eng d  6CLRCaCLRCcCLRC10aPhilippines (Republic) Surian ng Wikang Pambansa93472210aPatnubay sa Korespondesiya opisyal.0 aMaynila,cc1972.  aviii, 159 p.  aGovernment correspondence934723  2lcccBK  c37097d37097  00102lcc4070aCLLRCbCLLRCcFILd2019-05-20oBJ 2115 G6 P5pCL6843r2025-06-10 00:00:00w2019-05-20yBK