by Grafe, T. U., Ahmad Sah, H. H., Ahmad, N., Borkent, A., Meuche, I., Konopik, O.
Published in Journal of zoology (1987) (01.01.2019)

by Ahmad Sah, Hanyrol H, Barthelmess, Theresa, Grafe, T. Ulmar
Published in Journal of herpetology (13.09.2019)

by Vallejos, Johana Goyes, Grafe, T. Ulmar, Sah, Hanyrol H. Ahmad, Wells, Kentwood D.
Published in Behavioral ecology and sociobiology (01.06.2017)

by Tan, Ming Kai, Yong, Crystal Yun Han, Ingrisch, Sigfrid, Ahmad Sah, Hanyrol H., bin Haji Abdul Wahab, Rodzay, Johns, Philip Michael
Published in Systematics and biodiversity (17.11.2018)

by Meuche, Ivonne, Keller, Alexander, Ahmad Sah, Hanyrol H., Ahmad, Norhayati, Grafe, T. Ulmar
Published in Behavioral ecology (2016)

by Macat, Zdenek, Sah, Hanyrol H. Ahmad, Grafe, T. Ulmar
Published in Phyllomedusa (01.07.2016)