M. F. Mutiansyah, Z. Wahab, I. Isnurhadi, and M. Widiyanti, “The influence of brand awareness and sales promotion on purchase decisions of OVO products: Case study on students of the faculty of economics, master of management study program, Sriwijaya University”, ijhla, vol. 5, no. 1, pp. 69-76, Dec. 2022.