Iqbal, M. & Setiawan, D. & Ajiman (2018)
New data on the distribution of the endangered white-edge freshwater whipray Fluvitrygon signifer (Chondrichthyes: Dasyatidae). Ichthyological Exploration of Freshwaters, 28(2), 171–176

Iqbal, M. & Setiawan, D. & Ajiman (2017)
Presence of Fluvitrygon oxyrhynchus in Sumatra, Indonesia (Chondrichthyes: Dasyatidae). Ichthyological Exploration of Freshwaters, 28(1), 83–85