TY - BOOK AU - Light,Richard J. AU - Singer,Judith D. AU - Willett,John B. TI - By design: Planning research on higher education SN - 0-674-08931-6 PY - 1990/// CY - Cambridge, Massachusetts/USA PB - Harvard Univ. Press KW - Forschung KW - Ausbildung KW - Lernmethoden ER -