PENGARUH PELAYANAN PURNA JUAL DAN CITRA MEREK TERHADAP LOYALITAS KONSUMEN PADAPT.INFORMA BOGOR Yadi Mulyadi Jurusan Manajemen, STIE Binaniaga Bogor yadi.mulyadi1993@gmail.com Abstract : This study aims to determine the influence of after-sales service and brand image on consumer loyalty at PT. Informa Bogor. The method in this study uses an associative method that is causal, namely a stud…