“Design and Build Payment Gateways in Sharia-Based E-Commerce (Case Study: Murabahah Ijabqabul.Id Contract): Rancang Bangun Payment Gateway Pada E-Commerce Berbasis Syariah (Studi Kasus: Akad Murabahah Ijabqabul.Id)” (2022) Procedia of Engineering and Life Science, 2(2). doi:10.21070/pels.v2i2.1262.