Erna Susanti, Maura Linda Sitanggang, and Nurita Andayani. 2024. “The Influence of Marketing Mix on Purchasing Decisions Which Impact Consumer Loyalty in Online Pharmacies”. Jurnal Ekonomi 13 (03):825-42. https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/5131.