Witri, Alina, Khairil Anwar Notodiputro, and Rahma Anisa. “Nested Mixed Models With Repeated Measurements for Analyzing Gross Profit of Public Companies in West Java: Model Campuran Tersarang Dengan Pengamatan Berulang Untuk Analisis Data Laba Bruto Perusahaan Terbuka Di Jawa Barat”. Indonesian Journal of Statistics and Its Applications 6, no. 2 (August 31, 2022): 296–308. Accessed April 23, 2024. https://journal.stats.id/index.php/ijsa/article/view/772.