Suarjana, I Wayan, 		Widia, I Wayan, AND 		Darmawan, Komang.
" Penentuan Nilai Kontrak Asuransi Usaha Tani Tanaman Kopi Arabika  Berbasis Indeks Harga Internasional" <em>Jurnal BETA (Biosistem dan Teknik Pertanian)</em> [Online], Volume 5 Number 2 (4 July 2017)