Bangcal, Aira, Jesamie Catnadijan, Maria Linda Santander, and Rosalia Gabronino. “The Price Volatility of Red Onion in Davao City”. The Exponent 19, no. 1 (July 31, 2023): 119–140. Accessed December 23, 2024. https://ieesjournals.com/index.php/exponent/article/view/184.