E. A. Putri, H. Hajrah, and N. Indriyanti, “Pengujian Maksimal Penggunaan Ulang Masker Kain dengan Berbagai Jenis Bahan Baku Masker: Maximum Testing of Cloth Mask Reuse with Different Types of Mask Materials”, Proc. Mul. Pharm. Conf., vol. 14, no. 1, pp. 204–213, Dec. 2021.