Khair Zad application in social studies for the three grades of preparatory school, by Mr. Yousry Sellal.
Mr. Yousry Sellal is the founder of the Nahwa.com network and the owner of the Examine platform.
To contact Mr. Yousry Wassal via WhatsApp:
00201096263877
And through Facebook:
https://www.facebook.com/nhwdotcom/

Khairzad applications in various educational subjects are all sponsored by Nahwa.com:
https://www.alnahw.com/

Fantastic possibilities... and competitions with the highest degree of fun and excitement.
Note that the student is available before the start of the competition:
1 - Select only the branches he desires
2 - Then determine the topics he wants in each branch.
3 - Determine the number of questions for each competition (10 questions / 20 questions).