Normative rules of standard Serbian language are acquired during primary and secondary education through curriculum demands of Serbian language instruction. which takes place in three fields: grammar. orthography and culture of expression. Topic of interest in this paper is the quality of written expression of 6th and 7th grade pupils. https://www.soiebiologique.com/limited-price-Test-Evaluation-Command-ACU-Patch-Foliage-Green-flash-choice/