abbreviation, acronyms, economy, English language, functional styles, mental energy, morpheme, phoneme, principle, pronouncing energy, speech economy, word-formation, word-forming energy

Saurbayev Rishat Zhurkenovich, Zhetpisbay Aliya Kozhamuratkyzy, Demessinova Galina Khatipovna, Kulbayeva Baglan Tasbulatovna & Vafeev Ravil Aisovich