00598naa#a2200181#i#450# EN\INFRA-M\bibl\471 20240719221647.5 1998-1740 20130916b2013####ek#y0engy0150####ca RUS RU SOME FACTORS INFLUENCING THE QUALITY OF SCHOOLCHILDREN TEACHING TO NATURAL-MATHEMATICAL CYCLE SUBJECTS (ON TEACHERS’ QUESTIONNAIRE MATERIALS) Journal article Moscow INFRA-M Academic Publishing LLC. 2013 2 с. Journal article local Golubeva Lyudmila Ilina Nina naukaru.ru