Mayank Shukla, Manish Kumar Gupta, and Vigyan Singh, “Development and Characterization of a Leflunomide-Loaded Liposomal Gel as a Novel Topical Drug Delivery System”, IJPDD, vol. 3, no. 2, pp. 73–80, Sep. 2026, doi: 10.62896/ijpdd.3.2.08.