https://www.udemy.com/russian-for-beginners-1/learn/v4/overview
https://www.udemy.com/master-your-russian-introduction-course/learn/v4/overview
https://www.youtube.com/watch?v=RHc_SjbSAvE&list=PLygIirMdQLG3dQ8U8mdAZ7Zov9sHFvL_3
https://www.youtube.com/watch?v=1-dZw52Ulik&list=PLs72hD0mRYz7IJB4OWOa5P94Ak5WQeGqo
https://www.youtube.com/watch?v=LbisMxAjIS8&list=PLs72hD0mRYz5d3s1qRmGBwn1GcwN7gTNQ
https://www.youtube.com/watch?v=9XWVetPdpwo&list=PLs72hD0mRYz5ELlwDzbgCDLu_ofT5fE1f
http://wonderful-language-sounds.tumblr.com/post/140814696217/russian-language-apps
http://wonderful-language-sounds.tumblr.com/post/150086636384/russian-posts
http://www.russianforeveryone.com/RufeA/Lessons/Introduction/Alphabet/Alphabet.htm