• Systematic Theology
• Applied Theology 
• Eschatology
• Security Matters

Selected Publications

• Leal, M. L. (2020). Re-aligning the concept of spirituality in the midst of COVID-19 pandemic. Journal of Public Health, 44(4), e598-e599.
• Leal, M. L., & Cordero, D. A., Jr. (2019). In the line of duty: A response to the clamor of public trust through a cooperative, honest and considerate attitude towards the government. Journal of Public Health, 43(3), e509-e510.
• Cordero, D. A., Jr., & Leal, M. L. (2022). When Faith and Health Collide: Expressions of Faith Over the Dangers of COVID-19 by Selected Flagellants in the Philippines. Journal of Religion and Health, 63(5), 4005-4023.
• Leal, M. L. (2020). Moral obligation or moral imposition: Which moral system works better during COVID-19 pandemic? Journal of Public Health, 44(4), e635-e636.
• Leal, M. L. (2022). Everyone in action: addressing inequality through coordination. Journal of Public Health, 47(2), e230-e230.
• Tutor, J. B., & Leal, M. L. (2020). The egg or the hen: the unending debate between population health and economic growth. Journal of Public Health, 45(2), e390-e390.
• Leal, M. L. (2020). Public health and economic development: the case of Medicaid. Journal of Public Health, 45(2), e386-e386.
• Cordero, D., Jr., Leal, M., & Corpuz, J. C. (2021). The unwavering faith of Filipino catholic workers in Macau: Personal narratives of motivation amid distant employment. The International Journal of Religion and Spirituality in Society, 11(1), 155.
• Leal, M. L. (2019). Contextualizing Laudato si in the Philippines: Environmental Problem in Purok 1A, Hapay na Mangga, Barangay Dolores, Taytay, Rizal. Bedan Research Journal, 4(1), 176-190.
• Leal, M. L. (2020). Public health at the precipice: How Australia is responding to the economic growth barrier. Journal of Public Health, 45(3), e598-e598.
• Leal, M. L. (2020). Mediating peace in times of war: A public health concern. Journal of Public Health, 45(1), e156-e156.
• Tutor, J. B., & Leal, M. L. (2020). What, then, after the COVID-19 pandemic? Toward a resilient nation, a better future. Journal of Public Health, 44(4), e650-e651.
• Leal, M. L. (2020). Nexus of eidos: One world against COVID-19. Journal of Public Health, 44(4), e629-e629.