Otchere, G., O. Bamigboye, S. Lopez, U. Hassan, M. Capuno, R. Adedoyin, and A. Oyeyemi. “Cognitive Interview-Based Validation and Reliability of the Global Adolescent and Child Physical Activity Questionnaire (GAC-PAQ) in Nigeria”. Journal of Healthy Eating and Active Living, vol. 6, no. 2, Oct. 2026, pp. 119-33, doi:10.51250/jheal.v6i2.121.