Alfred, J. R. B., and J. P. Sati. 1991. “On the First Record of Infanticide in the Hoolock Gibbon - <I>Hylobates hoolock< i> In the Wild”. Records of the Zoological Survey of India 89 (1-4):319-21. https://doi.org/10.26515/rzsi/v89/i1-4/1991/161019.