Cohen, Louis
Research methods in education Louis Cohen, Lawrence Manion and Keith Morrison - 6th ed - New York: Routledge, 1989. - xxii, 413p.
includes bibliography and index
Eng
9780415368780
Educational research-Methodology
370.72 / COR
Research methods in education Louis Cohen, Lawrence Manion and Keith Morrison - 6th ed - New York: Routledge, 1989. - xxii, 413p.
includes bibliography and index
Eng
9780415368780
Educational research-Methodology
370.72 / COR