On June 23, dissertation defense of Khatuna Kharkheli took place at Iakob Gogebashvili Telavi State University faculty of Education Sciences. The title of the dissertation was “The Role of Formal and Informal Letters in Development of Writing Culture (While Teaching General English at Higher Education Institutions)”. Scientific supervisor: Associate Professor Ira  Danelia.   
The purpose of the research is to study which strategies and methods will help the learners of writing to increase their motivation and culture of writing; to develop such theoretical and practical recommendations for the students of non-specialists faculties at universities, which guarantee effectiveness of the process of writing in English language and growth of interaction during the learning process.

Khatuna Kharkheli was awarded the academic degree of the Doctor of Education.