Really struggling today so would appreciate any help. Many thanks.
15a Former Yugoslavians are bad actors ???a?s
18a They include a study of Freek races ???????sd
3d He won't take anything down more quickly f?s?s?
12d Unfriendly competition which may involve the setting up of more magazines ????/????
16d Finds fault with outdated school equipment ???t?s
19d Clubs once used by captains of disorderly crews ??o?s
Thanks for your input Scorpiojo. Have put Croats, but still have f?s?s? for 3d, unless I have the one that runs through it wrong, which is So there I could formulate ideas. I put theorise (the s runs through 2nd to last in 3d).