R Chowdhury's Training:
weather and climatics, engineerings, information technology, design etc.
R Chowdhury's Experience:
if you visit my site than gets results:- 1)https://mustafizur-ok.blogspot.com/
www.mustafizsunny.wordpress.com.
www.mustafizdhk.wordpress.com
R Chowdhury's Experience with Online Groups:
but need someone to promote me as well.