Djumanov Sayitmurod Alimbekovich. MAHSULOT TANNARXIGA KIRITILADIGAN XARAJATLARI VA ULARNI OPTIMALLASHTIRISH. MJ [Internet]. 2025 Oct. 31 [cited 2026 Oct. 11];(10). Available from: https://marketingjournal.uz/index.php/mj/article/view/16