My 2 children was denied visitor visa 22june ,we were planning to attend my eldest child graduation which is happening next month in vancouver, I and my husband have been previously given our visas ,with their denial were confused if to apply again for study visa for one of the children that was refused , when we can do that , so as not to be refused, we've travelled to other counties as a family to US,UK, France,, they refused on the bases of not having enough fund their law on 179(b), I know we didn't so have much