Fozilova S. O‘ZBEKISTONDA XIZMATLAR SOHASI RAQOBATBARDOSHLIGINI OSHIRISHNING NAZARIY ASOSLARI VA AMALIY OMILLARI (PORTER ‘DIAMOND’ MODELI ASOSIDA) . EITT [Internet]. 2026 Feb. 27 [cited 2026 Mar. 5];4(2):82-6. Available from: https://sci-p.uz/index.php/eitt/article/view/3567