Text ( visual ) : unmediated The economics of platforms : concepts and strategy / Paul Belleflamme, Martin Peitz. -- : Hardback. -- Cambridge : Cambridge University Press , 2021. -- xvii, 256 p. : ill. ; 25 cm. -- Bibliography: p. [242]-252 ; Includes index. -- ISBN 9781108482578 ; (BC08876383) ; https://ci.nii.ac.jp/ncid/BC08876383 Author Heading(s): Belleflamme, Paul ; Peitz, Martin. -- Classification(s): DC23 : 338.7. -- Subject Heading(s): LCSH : Multi-sided platform businesses