00637naa#a2200193#i#450# EN\\bibl\112978 20260118200724.7 2311-1402 20131225b2013####ek#y0engy0150####ca RUS RU Pedagogical assistance for school scientific societies: assisting schoolchildren in research activities Journal article Nizhnevartovsk Nizhnevartovsk State University 2013 4 с. Journal article local . 373:159.923 RUS Seredovskikh Tatiana Leonidovna Solodovnikova Lyudmila Sergeevna vestnik.nvsu.ru