Sitdikova I.D.; Gordeeva A.V.; Gerasimova L.I.; Khuzikhanov F.W.; Sharapova O.V.; Klimova I.V.; Baibikov D.R.; Khalfiev I.N.; Usmanova I.N.
(2020)
© by University of Guilan, Printed in I.R. Iran. The modern stage of development of our society is characterized by close attention to the problems of demography. The relevance of information on the population and the ...