Dushabaev Olimjon Nazarovich , urdibaev Dilshod Khamidovich Mirmukhamedov Juman Xazratkulovich , Zokirov Abdunazar Abduraimovich, “Improvement Of Teachıng Geometry Based On Pedagogıcal-Synergetıcal Prıncıples”, IJAST, vol. 29, no. 08, pp. 3360-3367, Jun. 2020.