Text ( visual ) : unmediated Informal economic activity / J.J. Thomas. -- : pbk. -- New York ; Tokyo : Harvester Wheatsheaf , 1992. -- xii, 371 p. ; 24 cm. -- (LSE handbooks in economics). -- Bibliography: p. 342-367 ; Includes index. -- ISBN 0745011683 ; 0745011691 ; (BA18820052) ; https://ci.nii.ac.jp/ncid/BA18820052 Author Heading(s): Thomas, J. J.. -- Classification(s): DC20 : 339.3 ; LCC : HD2341 ; NDC8 : 332. -- Subject Heading(s): LCSH : Informal sector (Economics) ; LCSH : Informal sector (Economics) -- Developing countries