found:Jururancang Bersekutu. Phase II screening Pasir Pangarayan ... 1982- :v. 1, p. vi (Kabupaten Bengkalis)
found:BGN phone call, 6/2/86(Kabupaten Bengkalis [Bengkalis=brief], 2nd order admin. div., 1°30ʹN, 101°30ʹE)
found:BGN Indonesia, 1968(Bengkalis, Daerah Tingkat II; also ppl by same name)
found:GeoNames, algorithmically matched, 2009(ppl; 01°28ʹ00ʺN 102°08ʹ00ʺE)
found:GEOnet, viewed July 5, 2019:(Kabupaten Bengkalis [approved]; ADM2 in Riau, Indonesia; 01° 20ʹ N, 101° 52ʹ E; variant: Daerah Tingkat II Bengkalis; one PPL, and one ADM3 with the same name loc. in Riau Province)