“The Impact of Personal Selling by Perisai Agents on Contribution Payment  Behavior of Informal Workers: The Mediating Roles of Product Knowledge, Perceived Risk, and Trust”. Asian Journal of Social and Humanities 4, no. 7 (April 13, 2026): 2866–2874. Accessed July 5, 2026. https://ajosh.org/jsh/article/view/699.