Hi i have the same problem with Bella, she barks at other dogs as we walk past them no matter how big that are (brave girl)

I give her a firm tug on the lead and say no, get her to sit down and focus on me then reward her when she settles and is looking at me not the dogs.

You can also get halti collars which go over the muzzle (helps with the pulling) - i am going to keep going as i am with her for now - when we walk and she pulls i say 'no' and stop until she stops then walk again - its a long process but getting there. She will be a strong girl though so might have to look at the halti further down the line if we dont get there (i am just always worried they look like a muzzle and make her appear like she is aggresive)

Becky