GODGIFT IZO-OGU, S. . COMPETENCY ASSESSMENT AND TIMELY SERVICE DELIVERY OF ANCILLARY TELECOMMUNICATION FIRMS IN YENAGOA, BAYELSA STATE. BW Academic Journal, [S. l.], 2026. Disponível em: https://www.bwjournal.org/index.php/bsjournal/article/view/4089. Acesso em: 14 aug. 2026.