As the maintenance of the discipline is the discipline is the core f supervisory responsibilities, indiscipline may spring from the want of the right type of supervision. 6. Inadequate attention to personnel Problems: Delay in solving personnel problems develops frustration among individual workers.
Some actors don't stop with just one language: Natalie Portman speaks five languages (fluently)! Not all bilingual actors and actresses actually do films in other languages - but some do, and others handle dubs in other languages with ease (we're looking at you, super-smart Jodie Foster).
If you can't find the language you need in Duolingo, there are other apps to try. Rosetta Stone has courses for 28 languages, not counting programs for English or British English. Because Rosetta Stone is a paid product, you won't find any languages that are half-baked, the way some are in Duolingo.