Bayekenova А., and Р. 2019. “Epistolary Heritage: Letters and Correspondence (based on Correspondence of Sabit Mukanov)”. Bulletin of L.N. Gumilyov Eurasian National University. PHILOLOGY Series 128 (3):15-22. https://doi.org/10.32523/2616-678X-2019-128-3-15-22.