Dr. Ben-Fred Ohia. “Non-Verbal Communication of Metal Gong (Ukela) and Bamboo Wooden Drum (Okpokro) in Ogba Traditional Setting”. Journal of Humanities,Music and Dance 4, no. 01 (January 3, 2024): 41–48. Accessed August 30, 2025. https://journal.hmjournals.com/index.php/JHMD/article/view/3472.