De Leon, Paul D. (2012) Analysis of the instructional supervisory practices of Cavite Diocesan Parochial Schools Asociation (CADIPSA) as a basis for the development of a model for instructional supervision / Paul D. De Leon. Dissertation thesis, De La Salle University - Dasmariñas.
De Leon, Paul D. (2008) An Evaluation of the extent of acceptability of leadership functions of school managers: basis for proposed manual for parochial school directors. Masters thesis, De La Salle University-Dasmariñas.