Penerapan asas kepatutan dalam perjanjian asuransi : studi kasus Putusan No. 434/Pdt.G/2010/PN.Jkt.Sel. antara PT. E.K. Prima Ekspor Indonesia dan PT. Chartis Insurance Indonesia dahulu bernama PT. Asuransi AIU Indonesia, Tbk. = The implementation of appropriatness principle in insurance agreement : case study Judgment No. 434/Pdt.G/2010/PN. Jkt.Sel between PT. E.K. Prima Ekspor Indonesia and PT. Chartis Insurance Indonesia previosly known as PT. Asuransi AIU Indonesia, Tbk.