Agustina, M., A. N. Hidayati, and N. Hasanatuludhhiyah. “Side Effects of Methotrexate for Psoriasis Therapy”. Berkala Ilmu Kesehatan Kulit Dan Kelamin, vol. 32, no. 2, July 2020, pp. 98-102, doi:10.20473/bikk.V32.2.2020.98-102.