na INLIS000000000017172 20190508023713 0010-0317000324 ta 170317 | | | 978-602-1162-44-6 JIPDSUR CB-D13/2014-430 Supriyanto Enhance english proficiency for secretary and business people / Supriyanto Surabaya : Revka Petra Media, 2014 xi, 243 hlm. : ilus. ; 26 cm. JIPDSUR - Bibliografi hlm: 242 JIPDSUR CB-D13/2014-430 [23] 428 CB-D13/2014-430 - Bahasa Inggris-- Studi dan pengajaran eng 3150/DPK/2017