I. Wahyuningsih, “Protection Effect of Self-Nanoemulsifying Drug Delivery System (SNEDDS) Piroxicam as Ulcerogenic Agent towards Malondialdehid Level and Protein Expression of Caspase-3, COX-1, COX-2 at Rat Gastric”, J. Food Pharm. Sci, vol. 8, no. 2, pp. 273-283, Jul. 2020.