DILAFRUZ JABBOROVA SHAROFOVNA, DILAFRUZ TURAKULOVA KAKHOROVNA, and MUKHABBAT RASULOVA IKHTIYAROVNA. 2021. “PRINCIPLES OF A SYSTEMATIC APPROACH IN CONCEPTUAL LANGUAGE RESEARCH: RELEVANCE AND IMPLEMENTATION ”. International Journal of Innovations in Engineering Research and Technology 7 (4): 1-8. https://repo.ijiert.org/index.php/ijiert/article/view/2112.