The Ecological Party for Progress (, PEP) was a political party in Burkina Faso. It was led by Charles Salvi Somé.http://www.lobservateur.bf/spip.php?page=article_archive&id_article=2461 PEP was registered on May 6, 1991.http://www.petiteacademie.gov.bf/AutreRepere/AutreRepere.asp?CodeAutreRepere=8998 In 1995 PEP merged with the Party for Social Democracy of Valère Somé and the Democratic Action Group, forming the Party for Unified Social Democracy (PDSU).L'Afrique politique: Femmes d'Afrique. p. 173
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