Ononuju, A. H., O. K. Onyekwere, and C. N. Bosah. “Age and Gender Differentials on Workers’ Knowledge of Physical and Ergonomic Hazards in Plastic Manufacturing Industries in Anambra State”. NIGERIAN JOURNAL OF HEALTH PROMOTION, vol. 13, no. 1, Feb. 2023, https://journals.aphriapub.com/index.php/NJHP/article/view/1707.