کد فایل 1223842
قیمت: 59٬000 تومان
سیستم های ارتقاء کیفیت 17 July 2023 17 July 2023 چرا کیفیت؟ 17 July 2023 Peter Drucker : “The first duty of business is to survive, and the guiding principle of business economics is not the maximization of profit , it is the avoidance of loss” The purpose of a business is to create a customer. 17