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Burrows, A. C. (2015). PARTNERSHIPS: A SYSTEMIC STUDY OF TWO PROFESSIONAL DEVELOPMENTS WITH UNIVERSITY FACULTY AND K-12 TEACHERS OF SCIENCE, TECHNOLOGY, ENGINEERING, AND MATHEMATICS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 65, Discontinuous. presented at the June/2015. doi:https://doi.org/10.33225/pec/15.65.28

Tran, N. H., Truong, T. D., Dinh, H. - V. T., Do, L. - H. T., Tran, T. - A. T., & Phan, M. - H. T. (2020). SIGNIFICANCE OF TEACHER PROFESSIONAL DEVELOPMENT IN RESPONSE TO THE CURRENT GENERAL EDUCATION REFORMS IN VIETNAM: PERCEPTIONS OF SCHOOL PRINCIPALS AND TEACHERS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 78(3), Continuous. presented at the June/2020. doi:https://doi.org/10.33225/pec/20.78.449

Mumhure, G., Jita, L. C., & Chimbi, G. T. (2020). SUBJECT PANELS AS SUSTAINABLE INNOVATION FOR TEACHER PROFESSIONAL DEVELOPMENT. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 78(5), Continuous. presented at the October/2020. doi:https://doi.org/10.33225/pec/20.78.799

Ušča, I., Zariņa, S., Ignatjeva, S., & Pipere, A. (2026). TEACHER PROFESSIONAL DEVELOPMENT EXPERIENCES AND NEEDS IN LATVIA: DEVELOPMENT AND APPLICATION OF THE TPD/EN QUESTIONNAIRE. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 84(4), Continuous. presented at the August / 2026. doi:https://doi.org/10.33225/pec/26.84.676