TY - BOOK ID - 130124406 TI - 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 behavorial sciences AU - Isaac, Stephen AU - Michael, William B. PY - 1983 SN - 0912736259 PB - San Diego (Calif.) EdITS DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:130124406 AB - ER -