Pujianto, Oky, Andhatu Achsa, and Ivo Novitaningtyas. 2023. “The Effect of Brand Ambassador, Sales Promotion, and Brand Awareness on Purchasing Decisions in E-Commerce”. Airlangga Journal of Innovation Management 4 (1):60-73. https://doi.org/10.20473/ajim.v4i1.45502.