Isaac, Stephen,  1925- <br/><br/>
Handbook in research and evaluation :  a collection of principles, methods, and strategies useful in the planning, design, and evaluation of studies in education and the behavioral sciences / 
Stephen Isaac ; in collaboration with William B. Michael 
 - 186 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educación--Investigación<br/>Psicología--Investigación
<br/><br/><label>LC Class. No.: </label>BF76.5  / I82