PAOK Saloniki remained at six points from leaders Olympiakos thanks to a 2-0 win over OFI, while the Athens derby between Panathinaikos and AEK ended goalless.
PAOK took the lead through Muslimovic after 34 minutes and Ivic added a second eight minutes later. The two goals were enough for the home side to secure three points and remain in second place.
Panathinaikos and AEK failed to score, and remain in third and fourth place respectively.
After 16 games, Olympiakos are on course for the Greek title as the Athens outfit are currently six points ahead of PAOK.
