Wiersma, William  Research methods in education. An introduction. Sec. ed
Research methods in education. An introduction.  Sec. ed
Forfattar:  Wiersma, William

Illinois 1975. F. E. Peacock Publ. 411 s. 8vo. Originalbind. Lys, solbleika rygg m. kvit tekst. Namnetrekk. Pen. Engelsk.
#Pedagogikk