01411caa a2200361 a 4500 EG-GiCUC 760620u1966uuuumduaaa 1 0 eng d 0538-5601 EG-GiCUC eng EG-GiCUC n-us--- Q181.A1 I53 375.5 I61279 21 04 375.5 I61279 International Clearinghouse on Science and Mathematics Curricular Developments. Rep. Int. Clgh. Sci. Math. Curric. Dev. Report of the International Clearinghouse on Science and Mathematics Curricular Developments Report of the International Clearinghouse on Science and Mathematics Curricular Developments. [College Park, Md.] : The Clearinghouse, 1968- v. ; 23-26 cm. [6th] (1968)- Some issues have also a distinctive title. International Clearinghouse on Science and Mathematics Curricular Developments. Curriculum planning. Mathematics Study and teaching. Science Study and teaching. American Association for the Advancement of Science. University of Maryland, College Park. Science Teaching Center. 1 Eman Rev Jamal Cat. ddc BK 108528 108528 ddc 0 CUCL cl410 2024-02-11 375.5 I61279 1968 K.B. 01000113000133000 2024-06-23 00:00:00 C.1 BK