Years ago when I did these missions, you only received a skill reward at the very end.
Of those listed, if asked, I would suggest doing Atrax or Argonaut next (relatively easy and easy to locate)
But it's completely up to you, such is the way the mission system has been implemented.
Quick question though, you avoided the Lvl 3 Daikibas? Did they still count for you? I´ve heard (and tried a little, not enough to figure it out) that they are bugged towards the iron mission and don´t give points.