Hi, I am Tulus saktiawan a writer from zupertau.com, this site I created to help students or the general public to find some things such as learning materials at the college level, especially management majors, I also wrote some things about investment and the latest technology, I started building this site on December 31, 2020, I realized there is still a lot of weakness on my site , I hope you can contribute in the completion of this site, by leaving your message in the comments field and mailbox, hopefully you senag and thank you for visiting my site.