Anugrawati, Sri Dewi. “Distribusi Variabel Random Gabungan Waktu Hidup Masa Mendatang (Joint Distribution of Future Lifetime Random Variable)”. Jurnal MSA ( Matematika dan Statistika serta Aplikasinya) 8, no. 2 (December 23, 2020): 31–35. Accessed June 7, 2025. https://journal.uin-alauddin.ac.id/index.php/msa/article/view/16190.