John L. Gallup

2 ta ish

Harvard University

1. Geography and Economic Development

   John L. Gallup, Jeffrey D. Sachs, Andrew D. Mellinger

   MaqolaOAOchiq kirish19993 iqtibos

   ABIABI:AkademIndex/2026.other.041955

2. Geography and Economic Development

   John L. Gallup, Jeffrey D. Sachs, Andrew D. Mellinger

   HisobotOAOchiq kirish19983 iqtibos

   ABIABI:AkademIndex/2026.other.041962