L M Kent, D P Morton, J T Mañez, S Q Mañez, G D Yabres, A B Muya, P M Rankin, and H A Diehl. “The Complete Health Improvement Program (CHIP) and Reduction of Chronic Disease Risk Factors in the Philippines”. Asian Pacific Journal of Health Sciences, vol. 2, no. 2, June 2015, pp. 67-75, doi:10.21276/apjhs.2015.2.2.13.