Halawa, Ferry, 		Fahri, Muhammad, DAN 		Yasid, Muhammad.
" TINJAUAN YURIDIS WANPRESTASI HUTANG PIUTANG (Putusan No 58/PDT.G/2019/PN-KBJ)" <em>JURNAL RETENTUM</em> [Online], Volume 2 Nomor 1 (31 March 2020)