PAULS, MONIKA PENNER, Helga Loos-Sant'Ana, and René Simonato Sant'Ana-Loos. “Interdisciplinarity under Consideration of the Theoretical System of Expanded Affectivity: An Essay about Overcoming Difficulties in Learning of Mathematics through Language and Semiotics”. International Journal for Innovation Education and Research 6, no. 7 (July 1, 2018): 33–52. Accessed November 22, 2024. https://scholarsjournal.net/index.php/ijier/article/view/1091.