. (2017). . Community Health Journal, 2(3), 39-44.
. "", Community Health Journal, 2, 3, 2017, 39-44.
. (2017). '', Community Health Journal, 2(3), pp. 39-44.
, "," Community Health Journal, 2 3 (2017): 39-44,
. . chj. 2017;2(3):39-44 (In Persian).
