MainAuthors Abbasova Nargiz Abas kizi prepodavatel kafedry Kriminalistiki i sudebnoy ekspertizy Bakinskogo gosudarstvennogo universiteta, doktor filosofii po pravu. Baku State University , Baku, Azerbaijan ARTICLES: The Expert Opinion as One of the Types of Sources of Procedural Evidences Gaps in Russian Legislation — Issue №5 2021: 138-152