YUNUSOV JASURBEK FARXOD O'G'LI; ZIYADOV NUSROTULLO RAXMOTULLOYEVICH; NORIMONOV SHAMSIDDIN NURADDINOVICH. CHALLENGES IN REDUCING FRICTION AND WEAR IN SCRAPER CHAIN CONVEYORS: A REVIEW OF CONTEMPORARY RESEARCH. Ta’lim innovatsiyasi va integratsiyasi, v. 78, n. 1, p. 211–217, 6 Oct.2026.