(1)
Department of Environmental Engineering, Universitas Islam Indonesia, Yogyakarta, Indonesia
,
(2)
Department of Environmental Engineering, Universitas Islam Indonesia, Yogyakarta, Indonesia
,
(3)
Environmental Quality Laboratory, Universitas Islam Indonesia, Yogyakarta, Indonesia
,
(4)
Department of Environmental Engineering, Universitas Islam Indonesia, Yogyakarta, Indonesia
,
(5)
Department of Environmental Engineering, Universitas Islam Indonesia, Yogyakarta, Indonesia
,
(6)
Department of Environmental Engineering, Universitas Islam Indonesia, Yogyakarta, Indonesia
,
(7)
TAUW Nederland, the Netherlands