Pasaribu, A. A., K. Sadik, and A. Kurnia. “MIXED-EFFECT MODELS WITH RESTRICTED MAXIMUM LIKELIHOOD (REML), BOOT-STRAPPED REML AND BAYESIAN INFERENCE IN APPLICATION OF GAPMINDER DATA”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, Vol. 20, no. 3, Apr. 2026, pp. 1985-98, doi:10.30598/barekengvol20iss3pp1985-1998.