COOK, S. Customer Care Excellence: Cara untuk mencapai customer fokus. PPM.
Chicago Style (17th ed.) CitationCOOK, Sarah. Customer Care Excellence: Cara Untuk Mencapai Customer Fokus. PPM.
MLA (8th ed.) CitationCOOK, Sarah. Customer Care Excellence: Cara Untuk Mencapai Customer Fokus. PPM.
Warning: These citations may not always be 100% accurate.