Brearley, Molly. A teacher’s guide to reading Piaget / Molly Brearley, Elizabeth Hitchfield . - London : Routledge & Kegan Paul, 1966 . - xii, 171 p. schem. 19 cm. К.: Бібліогр. : c. 170-171 Subjects--Personal Names: Piaget, Jean 1896-1980