I Communication skills

“How To Ask Questions The Smart Way” by Eric Steven Raymond
http://www.catb.org/esr/faqs/smart-questions.html 
Remember about the disclaimer !

“The Elements of Style” by William Strunk, Jr.
https://daoyuan14.github.io/elos.pdf 

"How to speak" by Patrick Henry Winston, MIT OpenCourseWare
https://www.youtube.com/watch?v=Unzc731iCUY

The elements of business style from Jasiek's work experience
https://kb.epesi.cloud/books/epesi-academy/page/business-writing
+ several proposals from Teknaspan and Telaxus LLC !

“Running an Effective Help Desk” by Barbara Czegel
https://www.wiley.com/en-au/Running+an+Effective+Help+Desk,+2nd+Edition-p-9780471248163