English Alejandro Portes Cited by user JondeJon1 on 13 Jun 2026 Alejandro Portes (born October 13, 1944) is a Cuban-American sociologist known for his research on immigration to the United States and on economic sociology.
Portuguese Mercado negro Cited by user Mandorake on 26 Aug 2022 Um mercado negro, economia subterrânea ou economia paralela é um mercado clandestino ou uma série de transações que tem algum aspecto de ilegalidade ou é caracterizada…
English Black market Cited by user 5.170.1.198 on 09 May 2016 A black market, underground economy, or shadow economy is a clandestine market or series of transactions that has some aspect of illegality or is characterized by…