Yudha, A. 2023. A Source Effect Theory Perspective on How Opinion Leadership, Parasocial Relationship, and Credibility Influencers Affect Purchase Intention. Jurnal Manajemen Teori dan Terapan| Journal of Theoretical and Applied Management. 16, 2 (Aug. 2023), 240–253. DOI:https://doi.org/10.20473/jmtt.v16i2.48099.