000			00387nam a2200133Ia 4500
005			20250913131730.0
008			250913s9999||||xx |||||||||||||| ||und||
041			_aEnglish
245		0	_aResources for Chemistry Learning and Teaching
260			_aBangkok : _bUNESCO Regional Office for Asia and the Pacific, _c1989
300			_av, 123p.; _bill. _c26cm
650			_aReport
942			_cRP
999			_c155894 _d155894