Adah Agana, Moses, and Ruth Wario. “A Fuzzy Skill Predictor for Early Childhood Educators”. International Journal of Engineering and Technology 7, no. 3.19 (September 7, 2018): 49–58. Accessed May 24, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/16986.