Correlation between Differentiation Strategy and Cost Leadership of Private Energy Businesses in the Sulaymaniyah City of Kurdistan Iraq. TW [انترنت]. 21 نوفمبر، 2023 [وثق 24 سبتمبر، 2026];5(2):1295-328. موجود في: https://journals.soran.edu.iq/index.php/Twejer/article/view/267