TY - BOOK ID - 133326057 TI - Application of the analysis of variance and covariance method to educational problems PY - 1940 VL - 11 PB - Toronto : Dept. of educational research, University of Toronto, DB - UniCat KW - Education KW - Statistics KW - Calculus of variations KW - Statistique KW - Calcul des variations KW - Stat UR - https://www.unicat.be/uniCat?func=search&query=sysid:133326057 AB - ER -