Basic skills in research and business correspondence / Paterna E. Manalo... [et al]. - Metro Manila : Grandwaters Publishing, c2014. - viii, 209 pages : 25 cm Bibliography : p. 203-206. ISBN: 9789710183210 Subjects--Topical Terms: Business--Research--Methology.Management--Research.Organization--Research. LC Class. No.: HD30.4 / B29 2014