Balacy, Garnette Mae, Frence Mae Babatuan, John Carlo Gonzales, and Rodel Sienes. 2017. “Health Hazards of Barn Swallow (Hirundo Rustica) in Rizal Avenue, Digos City”. UM Digos Research Journal 9 (1):182-93. https://ieesjournals.com/index.php/umdrj/article/view/58.