@base .
a ;
.
a , ;
"Journal of vocational health studies (Surabaya)" .
a ;
"2580-7161" ;
.
a ;
"2580-7161" ;
.
"Indonesia" .
a ;
;
"20170722153300.0"^^ ;
;
.
a .
a , , ;
, , ;
"Journal of vocational health studies" ;
;
;
;
"2580-7161" ;
;
;
"2580-7161" ;
;
"2580-7161" ;
"Journal of vocational health studies" , "Journal of vocational health studies (Surabaya)" ;
.
.