Godgift Izo-ogu S. COMPETENCY ASSESSMENT AND TIMELY SERVICE DELIVERY OF ANCILLARY TELECOMMUNICATION FIRMS IN YENAGOA, BAYELSA STATE. bj [Internet]. 2026 Jun. 22 [cited 2026 Jun. 22];. Available from: https://mail.bwjournal.org/index.php/bsjournal/article/view/4089