Yousuf, Md Abu, et al. “Clinical Investigation of PPR Outbreak and Sero-Prevalence of PPR Viral Antibody in Different Areas of Bangladesh”. Asian-Australasian Journal of Bioscience and Biotechnology, vol. 4, no. 2, Aug. 2019, pp. 109-15, doi:10.3329/aajbb.v4i2.65070.