00000nam 2200000 4500 INLIS000000000006239 20220716121244.0 220716||||||||| | ||| |||| ||ind|| 0010-072200000006239 ind 658.4012 658.4012 GAL F Galloway, Scott Scallon,Kyle Anshor, Zia The four : empat besar: DNA rahasia, amazon, Apple,facebook, dan google cet.3 Jakarta: Gramedia, 2019 viii, 291 hlm 23 cm Perusahaan Besar-Teknologi Informasi Amazon Apple Facebook Google