Is the correlation between fraction and Algebra Knowledge based More on concepts than procedures? 20th Biennial Conference of the European Association for Research on Learning and Instruction (EARLI)
title = "Is the correlation between fraction and Algebra Knowledge based More on concepts than procedures?: 20th Biennial Conference of the European Association for Research on Learning and Instruction (EARLI)",
author = "C. Forsmann and M. D'Erchie and A. Obersteiner and M. Schneider",