A.T H, A.T H, O. C. EFFECTIVENESS OF EXTENSION COMMUNICATION TECHNIQUES AMONG COCOYAM FARMERS PRODUCTIVITY IN GOKANA LOCAL GOVERNMENT AREA, RIVERS STATE, NIGERIA. bwjournal [Internet]. 2024 Apr. 21 [cited 2026 Jul. 28];:14. Available from: https://www.bwjournal.org/index.php/bsjournal/article/view/1852