Βιβλιοκριτική (+ Συμβουλές Συγγραφής) https://siggrafikitrela.wordpress.com/2015/12/28/beautiful-oblivion-vivliokritiki-symboules-syggrafis/
How to write unforgettable characters
The 12 Common Archetypal Characters in Storytelling & How to Use Them - Between the Lines Editorial - https://btleditorial.com/2016/12/05/common-archetypal-character/
7 quick tricks to improve your writing overnight. http://michaelhyatt.com/improve-writing.html
Distinguish between underlying storytelling goals and narrower rules adopted to reach those goals.
Cut the flab in your writing. Don't worry, we all do it to a degree. Here's cool list to get started on the road to clarity and getting your stuff read!