Correo interno
Journal of the Korea Society of Mathematical Education. Series B. The Pure and Applied Mathematics
J. Korea Soc. Math. Educ. Ser. B Pure Appl. Math.
1226-0657
Korea Soc. Math. Educ., Seoul.
J. Korea Soc. Math. Educ. Ser. B Pure Appl. Math.
1226-0657
Korea Soc. Math. Educ., Seoul.
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