Maryanto , Ibnu. “INTRA SPECIFIC VARIATION OF THE SPOTTED-WINGED FRUIT BAT Balionycteris Maculata (THOMAS, 1893) (CHIROPTERA, PTEROPODIDAE) FROM SUMATERA, .INDONESIA”. Treubia, vol. 33, no. 1, Apr. 2015, pp. 97-105, doi:10.14203/treubia.v33i1.586.