Ravshanova M. KEYS-STADY METODI YORDAMIDA TALABALARGA EKONOMETRIK KO‘NIKMALARNI SHAKLLANTIRISH. EITT [Internet]. 2024 Apr. 30 [cited 2025 Apr. 29];2(4):205-10. Available from: https://sci-p.uz/index.php/eitt/article/view/1065