Rachman, I., Soesanto, Q.M.B., Khair, H. and Matsumoto, T. (2020). Participation of Leaders and Community in Solid Waste Management in Indonesia to Reduce Landfill Waste Load. Volume 4 No. 2 September 2020, 4(2).
Aziz, R., Dewilda, Y., Khair, H. and Faklin, M. (2020). Pengembangan Sistem Pengelolaan Sampah Kawasan Wisata Pantai Kota Pariaman dengan Pendekatan Reduce-Reuse-Recycle. Jurnal Serambi Engineering, 5(3).
Khair, H., Rachman, I. and Matsumoto, T. (2019b). Environmental and economic assessment of solid waste bank activities in Indonesia: a case study of Medan City. Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research), 75(6), p.II_189-II_196.
Khair, H., Siregar, I.Y., Rachman, I. and Matsumoto, T. (2019). Material Flow Analysis of Waste Bank Activities in Indonesia: Case Study of Medan City. Indonesian Journal of Urban and Environmental Technology, 3(1), p.28
Khair, H., Rachman, I. and Matsumoto, T. (2019). Analyzing household waste generation and its composition to expand the solid waste bank program in Indonesia: a case study of Medan City. Journal of Material Cycles and Waste Management, 21(4), pp.1027–1037
Suryati, I., Khair, H. and Gusrianti, D. (2018). Analysis of Air Quality Index Distribution of PM10 and O3 Concentrations in Ambient Air of Medan City, Indonesia. Journal of Physical Science, 29(3), pp.37–48
Proceeding
Suryati, I., Khair, H. and Gusrianti, D. (2019). Distribution analysis of nitrogen dioxide (NO2) and ozone (O3) in Medan city with Geographic Information System (GIS). MATEC Web of Conferences, 276, p.06013
Tarigan, A.P.M., Hanie, M.Z., Khair, H. and Iskandar, R. (2018). Flood prediction, its risk and mitigation for the Babura River with GIS. IOP Conference Series: Earth and Environmental Science, 126, p.012119
Khair, H., Putri, C.N., Dalimunthe, R.A. and Matsumoto, T. (2018). Examining of solid waste generation and community awareness between city center and suburban area in Medan City, Indonesia. IOP Conference Series: Materials Science and Engineering, 309, p.012050
Suryati, I. and Khair, H. (2017). Mapping Air Quality Index of Carbon Monoxide (CO) in Medan City. IOP Conference Series: Materials Science and Engineering, 180, p.012114