na YOGYA-02090000002268 20090227020522.0 ind 0-07-124257-5 010-020900000002268 395.4 Blo O Q BLOCK, Jay A 101 best cover letters Jay A Black, Michael Betrus New York McGraw-Hill 1999 ix, 223 hlm 28 cm Indeks Korespondensi Betrus, Michael YOPDYOG[B] 31-01-2005 2 Sofi 04B0002345 04B0002346