The Phenomenon of the Death of Sacrificial Animals Before the Day of Slaughter in the Islamic Law Perspective: A Portrait of the Case in Luhak Nan Tigo, West Sumatra - Hidayat, Rian (Lembaga Penelitian dan Pengabdian kepada Masyarakat (LP2M) Institut Agama Islam Negeri (IAIN) Pontianak, 2020)