Seema Firdouse, Maimoona Sultana, Mahiya Mahmood, Madeeha Mirza, Mohd Sumair Farooq, and Mohd Owais, “Eco-friendly synthesis and characterization of zinc oxide nanoparticles loaded with cinchona officinalis bark extract as potent antibacterial activity”, IJPAR , vol. 11, no. 2, pp. 223–227, Jul. 2022.