Gaya APA

Wittmann, E, C. (2021). Connecting mathematics and mathematics education :collected papers on mathematics education as a design science . Cham, Switzerland: Springer Open.

Gaya MLA

Wittmann, Erich, Christian. "Connecting mathematics and mathematics education :collected papers on mathematics education as a design science". Cham, Switzerland: Springer Open, 2021. Ebook.