By Bendito E.   Carmona A.   Encinas A. M.   in International Journal of Mathematical Education in Science and Technology

ISSN:1464-5211|31|6|935-939

Taylor & Francis Ltd‎(2000)‎

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By Bendito E.   Carmona A.   Encinas A.M.   in European Journal of Combinatorics

ISSN:0195-6698|21|2|153-166

Elsevier‎(2000)‎

Access to resources Favorite 1.9209611