Gaya APA
Engeness, I. (2021).
P.Y. Galperin's development of human mental activity :lectures in educational psychology .
Cham, Switzerland:
Springer Open.
Gaya MLA
Engeness, Irina.
"P.Y. Galperin's development of human mental activity :lectures in educational psychology".
Cham, Switzerland:
Springer Open,
2021.
Ebook.