Has anyone purchased the Ethio Computer School's digital marketing PDF? Would love to hear your thoughts on its value! የኢትዮ ኮንፒተርን ዲጂታል ማርኬቲንግ ፒዲፍ የገዛ አለ? ምን ያህል ጠቃሚ ነው? ፕሊስ አስተያየታችሁን ንገሩን