``Dual Society Ever Precedes through Trevor SWAN {\&} Wassily Leontief''*

``Dual Society'' introduced by E.F. Schumacher are classified as non-stabile society who easy to shakes by politics uncertainties.in Robert J. Barro {\&} X. Sala-i-Martin: \textbf{``Convergence'' }states: `` a key economic issue is whether poor countries or regions tend to grow faster than rich ones''.For growth models from Roy Forbes Herrod {\&} EvseyDomar, three assumptions described by Eduardo Ley are?[U+2639]i). output is proportional to capital,(ii). Investment \textit{ex ante }equals saving {\&} (iii) saving proportional to output. Underlines Trevor SWAN, developing countries differ significantly among themselves. Economic growth models comprises Herrod-Domar growth model, Solow growth model {\&} endogenous growth model.Further, for five stages of economic groeth from Rostov of Leontief technology, ever retrieves the Jens Beckert:''\textbf{Institutional Isomorphism revisited: Convergence {\&} Divergence in Institutional Change'' }instead Frumkin's \textbf{``Institutional Isomorphism {\&} Public Sector Organizations''.}