[1]
Varela, J., Padilla, A. and Martínez, C. 2011. MATHEMATICAL ABILlTIES AND KNQWLEDGE IN SIXTH GRADE STUDENTS. Mexican Journal of Behavior Analysis. 1, 2 (Aug. 2011), 67–84. DOI:https://doi.org/10.5514/rmac.v1.i2.27086.