“Validation of a Scale to Assess Regional Variations in Attitudes Towards a Professional Developmen Programme to Learn the English Language for Teachers of Biology, Chemistry, Physics and Informatics”. Journal of Educational Sciences, vol. 53, no. 4, Mar. 2018, pp. 43-56, https://bulletin-pedagogic-sc.kaznu.kz/index.php/1-ped/article/view/451.