Volume 11, Issue 3 (2002)

Editorial: St. Manev. Curriculum, Textbooks, Graduated Exams	167
News: L. Genkova. A New Society of Sofia Chemistry Teachers M. Tzavkova. A Science Fest in the Sofia American College M. Dobreva. Five Years of a School Ecoclub G. Pekov. XXXIV National Chemistry Olympiad	171 175 177 183
Letters to the Editor: R. Petrova, D. Stajkova, P. Velitchkov, Yu. Pastarmov, L. Grigorov. Integration in the Teaching of Chemistry, Biology, and Information Technologies M. Dimova, C. Georgieva. Chemistry and Environmental Preservation Teaching  in the New Curricula and Textbooks	185 196
Curriculum Matters: D. Lazarov. On the Classification of Chemical Elements G. Pekov. Qualitative Chemical Analysis in the Contemporary Training in Analytical Chemistry. 1. Classification of Cations and Study of Their Analytical Properties	201 205
Advanced Chemistry: Saad Moulay. Trends in the Chemical Modification of Poly(Vinyl Chloride)	217
Reviews: S. Beneva. An Useful Book for Both Students and Teachers	247