FENDRI ARDIANSYAH, ELFINDAH PRINCES. “THE INFLUENCE OF INTRINSIC AND EXTRINSIC MOTIVATION ON PURCHASE MOTIVATION AND ITS IMPACT ON PLAYER SATISFACTION AND ENGAGEMENT IN GENSHIN IMPACT”. TPM – Testing, Psychometrics, Methodology in Applied Psychology, vol. 32, no. 4, Oct. 2025, pp. 764-76, https://tpmap.org/submission/index.php/tpm/article/view/3165.