Elcin, D. and Şahinkarakaş, Şehnaz 2021. Self-Regulatory Capacity of Learners’ with Differing Proficiency Levels in Vocabulary Acquisition during Three Periods. Shanlax International Journal of Education. 9, S1-May (May 2021), 162–197. DOI:https://doi.org/10.34293/education.v9iS1-May.4011.