na INLIS000000000005438 20150309093547.0 150309 2008 jkif g ind 979-799-060-5 010-031500000000102 [22] 338.642 338.642 End t ENDAH, Tri Utami Tip & trik usaha ponsel & aksesorisnya / Endah Tri Utami Cet.1. Jakarta : TransMedia, 2008 vi, 128 hlm. ; 25 cm Bibliografi : hlm 127-128 PELUANG USAHA SUPUDES