التكلفة التشغيلية لمحطة التكسير
مساهمة تقنيتي التحسين المستمر والتكلفة المستهدفة لتحقيق ...
The problem of research has emerged in the inability of local firms to enter into effective competition with other companies operating in the same economic sector, Because of the high cost of its products, Which led to the sale of the product at prices below its cost, and the inability of companies to achieve profits and thus difficult to compete in the market with foreign products.
