Mugabi was ruled out the loss to Cheltenham Town with a knee injury, while Smith (dead leg) has missed the Glovers’ last two matches.
Dickson was withdrawn in the first half at Whaddon Road after taking a knock from a crunching tackle.
However, Saturday’s game at Meadow Lane will come too soon for Otis Khan.
The 21-year-old has been on the sidelines for six weeks and Way insists he isn’t far away from returning.
“He’s close but not close enough to be involved in the next couple of weeks,” he told YTFC.net.
“He’s working extremely hard, he’s a good character and I’m sure when he’s back he’ll make a major contribution to the team.”