000			00449nam a2200157Ia 4500
005			20250913131719.0
008			250913s9999||||xx |||||||||||||| ||und||
041			_aEnglish
100			_aDemidova, S. I.
245		0	_aScience and Mathematics Education in the General Secondary School in the Soviet Union
260			_aParis : _bUNESCO, _c1986
300			_a211p.; _bill. _c29cm
650			_aReport
700			_aRazumovskii, V. G.
942			_cRP
999			_c155021 _d155021