Ikaba YV, Ilekon GB. INTER-FUNCTIONAL COORDINATION AND MARKETING EFFECTIVENESS OF SMALL AND MEDIUM SCALE ENTERPRISES (SMEs) IN RIVERS STATE, NIGERIA. bwjournal [Internet]. 2021 Nov. 21 [cited 2026 Sep. 11];. Available from: https://www.bwjournal.org/index.php/bsjournal/article/view/476