Hi @mahafuj.
- I think you were using wrong punctuation mark over and over again.
- The Wikimedia source's link should direct to the information about the author and license version, not only the image itself.
- You need to know how to arrange your image. The last part of the article seems crowded.
If you have any problem regarding STEM-related articles, you can join steemSTEM Discord Channel and we will be glad to assist you.
![Mentor_3.png](https://steemitimages.com/DQmQU5mPkwx2AG2aBFcm6WBNcDKLJiekmpzhwyxwEH7tGqU/Mentor_3.png)
Thanks for your kind and instructive reply...
Your instruction have helped me to look my post more standard . Thanks again for your piece of information. I will be looking forward for your guidance in the future.
Thank you :)