Catedral, Rey R., et al. “Exploring the School Heads Working Condition in Supporting Communities of Practice (CoP) and Technical Assistance (TA) to Teachers: A Multiple Case Study”. International Journal of Multidisciplinary: Applied Business and Education Research, vol. 4, no. 12, Dec. 2023, pp. 4390-07, https://doi.org/10.11594/ijmaber.04.12.19.