United Nations/Working Party on the Improvement of Science Education with Special Reference to Developing Countries (UNESCO Headquarters, Paris, 15-19 September 1969) : simple and low cost chemical kits for school laboratories [by] Jaroslav Zyka, Director, UNESCO Pilot Project for Chemistry Teaching in Asia, Bangkok
1969
Files
详细记录
符号E/AC.52/RP.1
标题United Nations/Working Party on the Improvement of Science Education with Special Reference to Developing Countries (UNESCO Headquarters, Paris, 15-19 September 1969) : simple and low cost chemical kits for school laboratories [by] Jaroslav Zyka, Director, UNESCO Pilot Project for Chemistry Teaching in Asia, Bangkok
获取English: E_AC.52_RP.1-EN - PDF ;
日期[New York] : UN, 28 May 1969
描述
5 p.