Actual problems of Russian law
Reference:
Zhuravleva K.R. (2009). VIDY NORMATIVNYKh PRAVOVYKh AKTOV NARODNOGO KOMISSARIATA VNUTRENNIKh DEL RSFSR (OKTYaBR'' 1917 g. — DEKABR'' 1930 g.). Actual problems of Russian law, 1, 55–62. https://en.nbpublish.com/library_read_article.php?id=60802