Publications:
Factolerin, W. M. & Loyola, J. O. (2020). Some constructions of 3-minimal graphs with cycles. Philippine Journal of Science, 149(2), 269-277.

Acob, M. A. B. & Loyola, J. O. (2015). An algorithm for propagating graceful trees using the adjacency matrix of a given graceful caterpillar. Proceedings of the International Conference on Mathematics, Statistics, Computer Science and Math Education.

Acob, M. A. B. & Loyola, J. O. (2014). An algorithm for propagating graceful trees using the adjacency matrix of given graceful trees. Philippine Computing Journal, 9(2), 1-5.

Loyola, J. O. (2003). Sequences with Idempotent Products from Finite Regular Semigroups. Discrete Mathematics 265 ,141-158.

Loyola, J. O. (2000). Sequences with Group Products from Finite Regular Semigroups. Discrete Mathematics 220, 159-170.

Loyola, J. O. (1997). E-free Objects in E-varieties of Inverse Rings. Semigroup Forum 54, 375-380.