Retno Martanti Endah Lestari, Faezah Othman, Irma Yazreen binti Md Yusoff, Ratih Puspitasari, and Rino Indira Gusniawan. 2026. “Green Marketing Effectiveness and Environmental Cost Integration: A Cross-Country Analysis of Consumer Purchasing Decisions in Indonesia and Malaysia”. Frontiers in Business and Economics 4 (3):e553. https://doi.org/10.56225/finbe.v4i3.553.