Throughout my years of intensive language study (German, English, French, Italian, Portuguese and Changana) I have come across numerous helpful tools that make language learning effective and fun. Here are some great links that I can highly recommend:

A great approach to language learning which was extremely useful in learning Changana. => https://growingparticipatorapproach.wordpress.com/resources/

The German Mozambican Cultural Insitute (ICMA) in Maputo offers Changana classes for beginners. => http://www.goethe.de/ins/mz/mao/de15542450.htm

A great website by Irish Polyglott Benny Lewis. Lots of great resources, posts and personal stories about learning any language => www.fluentin3months.com