Baron, Jomarie V., and Jaycob A. Dela Cruz. “The Spiral Progression Approach in Teaching Science: Its Volatilities, Uncertainties, Complexities, and Ambiguities (VUCA)”. Journal of Social, Humanity, and Education 3, no. 2 (February 2, 2023): 89–103. Accessed October 18, 2025. https://goodwoodpub.com/index.php/jshe/article/view/1194.