Text ( visual ) : unmediated Play and development : evolutionary, sociocultural, and functional perspectives / Artin Göncü, Suzanne Gaskins. -- : cloth. -- Mahwah, N.J. : L. Erlbaum Associates , c2006. -- xiv, 310 p. : ill. ; 24 cm. -- (The Jean Piaget Symposium series). -- A continuation of conversations between contributors at the 33rd Annual Meeting of the Jean Piaget Society titled: "Play and development" ; Includes bibliographical references and index. -- ISBN 0805852611 ; (BA81271074) ; https://ci.nii.ac.jp/ncid/BA81271074 Author Heading(s): Göncü, Artin ; Gaskins, Suzanne. -- Classification(s): DC22 : 155.418. -- Subject Heading(s): LCSH : Play -- Psychological aspects ; LCSH : Child development