Text ( visual ) : unmediated The logic of investment planning / by S. Chakravarty. -- Amsterdam : North-Holland , 1959. -- xii, 170 p. : tables ; 22 cm. -- (Contributions to economic analysis ; 18). -- Bibliography: p.[169]-170.. -- (BA02628475) ; https://ci.nii.ac.jp/ncid/BA02628475 Author Heading(s): Chakravarty, Sukhamoy. -- Subject Heading(s): FREE : Statics and dynamles (Social selences) ; FREE : Economics-Mathematical models.