Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
371.26 Rb-61-19 C3510
Koutsopoulos C J Linear practice effect solution for the counterbalanced case of equating New Jersey ETS 1961 * Educational tests and measurements