S. T. Tambe, H. B. Padekar, S. Dhobale, and S. Jadhav, “Design and Characterisation of Bi-layer Tablets Containing Simvastatin as Sustained Release and Labetalol HCl as Immediate Release”, J. Drug Delivery Ther., vol. 9, no. 2-s, pp. 263–270, Apr. 2019, doi: 10.22270/jddt.v9i2-s.2508.