Theming the WP Publish Form (bring it from the Back End to the Front End)

Hi Lovely Team!
I’m Bouyaala Badr from Morocco, I’m an engineering student and I’m actually working to set up an online community for all the engineering schools in Morocco, using WordPress.
One of my needs in this project, is to make it possible for all the site contributors to publish their articles on the community blog (with the admin approval, like in the wp back end) directly from the site itself. What I want to say here, is that I want to bring the wp publish form (from the wp back end or just use a similar one if it’s possible) and put it on a theme template page, so like that the community contributors won’t see the wp back end while they still able to publish their articles directly from a “Publish an article” page on the site.
Any suggestion will be welcomed.
Thank you for all the awesome tips.
Badr