Abbott-Shim, M., Lambert, R., & McCarty, F. (2000). Structural model of Head Start classroom quality. Early Childhood Research Quarterly, 15(1), 115-134.
Barros, S., Cadima, J., Bryant, D. M., Coelho, V., Pinto, A. I., Pessanha, M., & Peixoto, C. (2016). Infant child care quality in Portugal: Associations with structural characteristics. Early Childhood Research Quarterly, 37(2016), 118-130
Borgatti, S. P., Mehra, A., Brass, D. J., & Labianca, G. (2009). Network analysis in the social sciences. science, 323(5916), 892-895.
Borko, H., Jacobs, J., & Koellner, K. (2010). Contemporary approaches to teacher professional development. In P. Peterson, E. Baker, & B. McGaw (Eds.), International encyclopedia of education (Vol. 7, pp. 548-556). Oxford, England: Elsevier.
Burchinal, M., Vandergrift, N., Pianta, R., & Mashburn, A. (2010). Threshold analysis of association between child care quality and child outcomes for low-income children in pre-kindergarten programs. Early Childhood Research Quarterly, 25(2), 166-176.
Buysse, V., Winton, P. J., & Rous, B. (2009). Reaching consensus on a definition of professional development for the early childhood field. Topics in early childhood special education, 28(4), 235-243.
Campbell-Barr, V. (2017). Quality early childhood education and care–the role of attitudes and dispositions in professional development. Early Child Development and Care, 187(1), 45-58.
Ceglowski, D., & Bacigalupa, C. (2002). Four perspectives on child care quality. Early Childhood Education Journal, 30(2), 87-92.
De Verneil, M., and Berge, Z. L. (2000). Going Online: Guidelines for faculty in higher education. International Journal of Educational Telecommunications, 6, (2), 227 – 242.
GolāGuven, M. (2009). Evaluation of the quality of early childhood classrooms in Turkey. Early Child Development and Care, 179(4), 437-451.
Ishimine, K., & Tayler, C. (2014). Assessing Quality in Early Childhood Education and Care. European Journal of Education, 49(2), 272–290
Katz, L. G. (2008). Multiple perspectives on the quality of early childhood programmes. European Early Childhood Education Research Journal, 1(2), 5-9.
Khodabandelou, R., Mehran, G., & Nimehchisalem, V. (2018). A Bibliometric Analysis of 21st Century Research Trends in Early Childhood Education. Revista Publicando, 5(15), 137-163.
Koellner, K., & Jacobs, J. (2015). Distinguishing models of professional development the case of an adaptive model’s impact on teachers’ knowledge, instruction, and student achievement. Journal of Teacher Education, 66(1), 51-67.
Perlman, M., Falenchuk, O., Fletcher, B., McMullen, E., Beyene, J., & Shah, P. S. (2016). A systematic review and meta-analysis of a measure of staff/child interaction quality (the classroom assessment scoring system) in early childhood education and care settings and child outcomes. PloS one, 11(12), 1-33.
Schachter, R. E. (2015). An analytic study of the professional development research in early childhood education. Early Education and Development, 26(8), 1057-1085
Sheridan, S. M., Carolyn P. E., Christine A. M., & Lisa, L. K. (2009). Professional development in early childhood programs: Process issues and research needs. Early education and development 20(3), 377-401.
Woods, R. H., & Baker, J. D. (2004). Interaction and immediacy in online learning. The International Review of Research in Open and Distributed Learning, 5(2), 1-13