معرفی، خرید و دانلود کتاب Comprehensive texts for military english reading for land force students at IRI army command and sta

Learning a language requires learning a number of skills and sub-skills. The skills include listening, speaking, reading and writing and some of the most important sub-skills to obtain are the vocabulary and grammar. However, in an educational process, it is the training objective that determines which of the skills have to be focused on.