The Harvester Institute of Photographic Science 

Located in Buenos Aires's capital city. It has a lot of certificate courses for beginners and advanced photographers. The courses are in english and average four business days and are scheduled in a way that allows you to take several weeks of classes without interruption.

Check their website for details www.photographicscience.com

It is a good excuse and opportunity to visit the beautiful city of Buenos Aires. You can learn while having fun and meeting people from all over.