Umbing DM. The Effect of E-Wom and Free Shipping on Purchase Decisions at Tokopedia UKM Products in Palangka Raya City. CRYPTO [Internet]. 2023 May 30 [cited 2026 Apr. 30];2(1):103-14. Available from: https://journal.formosapublisher.org/index.php/crypto/article/view/5628