Perjanjian Baku Ditinjau Berdasarkan Asas Keseimbangan (Studi Kasus Putusan Pengadilan Negeri Purwokerto Nomor 20/Pdt.G/2021/Pn.Pwt Dan Putusan Pengadilan Negeri Kabupaten Kediri Nomor 122/Pdt.G/2018/Pn.Gpr). = Standard Agreements Review Based On The Principle Of Balance (Case Study Of The Decision Of The Purwokerto State Court Number 20/Pdt.G/2021/Pn.Pwt And The Decision Of The State Court Of Kediri Regency Number 122/Pdt.G/2018/Pn.Gpr)