Esekpa, Ofem Ibor, Thomas Adidaumbe Ugbe, and Pauline Cletus Njok. “Assessing Labour Inefficiency: Preliminary Results for Human Capital Development Initiative Exploration and Production in Cross River State, Nigeria”. International Journal of Public Management and Social Science Research (IJPMSSR) 1, no. 4 (September 24, 2025): 46–61. Accessed February 4, 2026. https://transglobalpunet.com/index.php/ijpmssr/article/view/68.