Blokdyk, Gerardus E Payment Gateway: A Complete Guide / Gerardus Blokdyk - 2020 Edition - The Art of Service, 2020 - 304 p. ; 28 cm. TVB.1/00505 (orginal) ISBN: 9780655928751 318.0000 đ Subjects--Topical Terms: Payment Subjects--Index Terms: Dịch vụ thanh toán Dewey Class. No.: 332.1 / BLO