W. Erpurini, Muhammad Rifky Pratama, and Irma Devita Haryono, “THE EFFECT OF PRICE AND FREE SHIPPING TAGLINE ON PURCHASE DECISION AT E-COMMERCE SHOPEE (STUDY ON ALUMNI OF SMAN 13 BANDUNG)”, Jurnal Ekonomi, vol. 11, no. 01, pp. 466–472, Jun. 2022.