Aminu U, Modibbo Buba (PhD) M, Shamsuddeen Bello M. INFLUENCE OF PROMOTION MIX ON CONSUMER BUYING DECISION OF SMARTPHONE BRANDS AMONG UNIVERSITY STUDENTS IN GOMBE STATE, NIGERIA. bj [Internet]. 2026 Jun. 2 [cited 2026 Jun. 2];. Available from: https://mail.bwjournal.org/index.php/bsjournal/article/view/4046