00645naa#a2200193#i#450# EN\\bibl\121480 20260429203246.3 1994-4683 20230531b2023####ek#y0engy0150####ca RU QUESTIONNAIRE ON THE CURRENT DEVELOPMENT SITUATION OF JUDO IN PRIMARY AND SECONDARY SCHOOLS IN SHANDONG PROVINCE Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 4 с. Journal article local Дзюдо. 796.853.23 uchzapiski.lesgaft.spb.ru