Pensomboon, P., N. Charoenwong, P. Towiwat, and P. Sermsappasuk. “Effect of the Dosing Interval for Oral Dosage Regimens of Methotrexate on the Probability of Target Attainment in Rheumatoid Arthritis Patients using Monte Carlo Simulation”. Journal of Basic and Applied Pharmacology, vol. 42, no. 1, May 2020, pp. 20-35, https://li01.tci-thaijo.org/index.php/JBAP/article/view/184409.