Djoko T.D.T.IskandarDjoko T.D.T., A New Species of Barbourula: first Record of a Discoglossid Anuran in Borneo, „Copeia”, 1978 (4), American Society of Ichthyologists and Herpetologists, 1978, s. 564–566, DOI: 10.2307/1443681, JSTOR: 1443681(ang.).
D.T.D.T.IskandarD.T.D.T., B.J.B.J.EvansB.J.B.J., J.A.J.A.McGuireJ.A.J.A., A Novel Reproductive Mode in Frogs: A New Species of Fanged Frog with Internal Fertilization and Birth of Tadpoles, „PLoS ONE”, 9 (12), 2014, e115884, DOI: 10.1371/journal.pone.0115884, PMID: 25551466, PMCID: PMC4281041(ang.).
Djoko T.D.T.IskandarDjoko T.D.T., A New Species of Barbourula: first Record of a Discoglossid Anuran in Borneo, „Copeia”, 1978 (4), American Society of Ichthyologists and Herpetologists, 1978, s. 564–566, DOI: 10.2307/1443681, JSTOR: 1443681(ang.).
D.T.D.T.IskandarD.T.D.T., B.J.B.J.EvansB.J.B.J., J.A.J.A.McGuireJ.A.J.A., A Novel Reproductive Mode in Frogs: A New Species of Fanged Frog with Internal Fertilization and Birth of Tadpoles, „PLoS ONE”, 9 (12), 2014, e115884, DOI: 10.1371/journal.pone.0115884, PMID: 25551466, PMCID: PMC4281041(ang.).