[1]
L. V. Letada, “Philippine Professional Standards for School Heads (PPSSH)-aligned Leadership Practices of School Heads and Teacher Performance in San Fernando District: Basis for a Continuous Professional Development Program”, World J. Sustain. Adv. Multidiscip., vol. 1, no. 2, pp. 147–159, Nov. 2026, doi: 10.65339/wjsam.V1.I2.14.