sentences:  Mukhamedzhanov started his labor activity in 1983 as a research assistant, teacher of the State and Law Theory and History Division of the Law Department of the Kazakh State University.In 1990 he defended his candidate thesis on the theme "Ecological Function of the Soviet State".From 1990 to 1994 – Senior Consultant, Head of the Sector, Deputy Head of the Department, Head of the Secretariat of the Chairman of the Supreme Soviet, Head of the Legislation and Legal Due Diligence Department of the Supreme Soviet of the Republic of Kazakhstan.