@article{paperid:1085647,
author = {طالبی کهنگی, روح لله and طاهری تربتی, حمید رضا and سهرابی, مهدی},
title = {Index of difficulty which is an effective factor on especial skill formation in basketball free throw: index of learning difficulty hypothesis},
journal = {Physical Education of Students},
year = {2018},
volume = {22},
number = {2},
month = {April},
issn = {2075-5279},
pages = {83--90},
			numpages = {7},
keywords = {Index of difficulty; memory representation; special skill; basketball; free thro},
}