Evaluating research proposalsJoel Robert Davitz, Joel R. Davitz, Lois Leiderman Davitz · First published 1995Open the Tome
Psychology Of The Educational ProcessJOEL R. DAVITZ & SAMUEL BALL · First published 1970Open the Tome
A guide for evaluating research plans in psychology and educationJoel R. Davitz · First published 1967Open the Tome
A guide for evaluation research plans in psychology and educationJoel R. Davitz · First published 1967Open the Tome
