“…Hence, promotional activities such as; sales promotion, advertising, personal selling, public relations and publicity are all considered as marketing efforts used in presenting company's products, its features, as well as what distinguish it from other products (Alananzeh et al, 2018;Clow & Donald, 2017). Inspite the importance of these activities (promotional mix) towards customer's purchasing decision, there is a paucity of studies investigating the link between the elements of promotional mix as a group and customer's decision to use cellular communication services in Yemen (Qasem et al, 2022). Based on this, several studies has recommended for the need to investigate the mediating construct such as customer trust which is capable of describing the link between promotional mix and customer' purchasing decision (Abimbola et al, 2020;Rafdinal & Amalia, 2019).…”