Sam Rainsy wrote three articles about the Délai de Recouvrement in the magazine "Analyse Financière" (Financial Analysis or Security Analysis) published by the "Société Française des Analystes Financiers" (French Society of Financial Analysts) in 1984 (2nd quarter), 1985 (3rd quarter) and 1988 (4th quarter). To read those articles in French please go to http://tinyurl.com/395a95