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Dartford were beaten by a controversial 89th-minute penalty in a 2-1 defeat at Lincoln on Saturday.
Darts players were convinced Jake Jones had tripped over his own feet for the spot-kick that was converted by Colin Larkin.
But Dartford boss Tony Burman (pictured) refused to blame referee Ross Joyce and theatened to make changes to his squad.
He said: “We lacked quality and now we have some decisions to make. I’ve got scope to bring players in and I may have to because that performance was not good enough.”
Lincoln took the lead through Vadaine Oliver’s header on six minutes but had Jake Sheridan sent off for a lunge on Lee Noble toward the end of the first half.
Noble levelled with a fine strike 15 minutes from time but Darts finished empty-handed and remain 10th in Blue Square Bet Premier.