@article{estephanie2026,
title = {Effects of In-Service Training Programs on the Professional Development and Work Performance of Teachers in Public Elementary Schools},
author = {Estephanie Celestra},
journal = {Psychology and Education: A Multidisciplinary Journal},
volume = {52},
number = {6},
pages = {768-778},
year = {2026},
doi = {10.70838/pemj.520610},
}