???????????????????????,?????????????????????????????????????,????????????????????,?????(positivism)????????,???????????????????
https://www.powershow.com/view4/6b0c7a-MTBmM/positivism_powerpoint_ppt_presentation
????????,???????????????????&media=https://s3.amazonaws.com/images.powershow.com/7015546.pr.jpg)
Icons create by Freepik from www.flaticon.com/
