Health education in the USSR
Мд97 Д-4/658 английский/Health education in the USSR / V. S. Ershov ; USSR Min of public health. World health organization. Central inst. for advanced med. training. International courses of public health organizers.Health education in the USSR / V. S. Ershov.Health education in the USSR.Μ./, 1971 ( ). - 1971. - [2], 9 с. ; 20 см см.Health education in the USSR. Μ., 1971 .Р11(2)5/Ershov ./