WIDUTA, Lara; MUAMMAR RINALDI. The Effectiveness of E-WOM (Electronic Word Of Mouth) and Instagram Social Media Promotion on Purchase Intention at Liang Teh Sumatera. PROCEEDING INTERNATIONAL BUSINESS AND ECONOMICS CONFERENCE (IBEC), [S. l.], v. 2, n. 1, p. 92–101, 2023. DOI: 10.47663/ibec.v2i1.86. Disponível em: https://conference.eka-prasetya.ac.id/index.php/IBEC/article/view/86. Acesso em: 11 sep. 2025.