ماضي، سالم غيث. (2023). Estimating Total Factor Productivity during the Great Recession "2007-2009" in the U.S. Manufacturing Industries Using the Levinsohn and Petrin "2003" Approach Over the Period "1998-2019". مجلة الساتل، س17, ع33 ، 1 - 30. مسترجع من http://search.mandumah.com/Record/1417813
ماضي، سالم غيث. "Estimating Total Factor Productivity During the Great Recession "2007-2009" in the U.S. Manufacturing Industries Using the Levinsohn and Petrin "2003" Approach Over the Period "1998-2019"." مجلة الساتل س17, ع33 (2023): 1 - 30. مسترجع من http://search.mandumah.com/Record/1417813