Occupation Specific Language Training (OSLT) on Program Management by Yasmeen Tian | Oct 4, 2016 | Programs and Services, Training Centers | 0 comments Occupation Specific Language Training (OSLT) on Program Management Free workplace communication courses at Humber College. See flyer for registration. Click here for Flyer Email List Login Submit a Comment Cancel replyYou must be logged in to post a comment.