Thanh Dam Nguyen, My Linh Hoang, Hong Anh Duong, Hung Viet Pham, Anh Tuan Do, and Jean-Luc Vasel. “Development of a Device Based on the Respirometric Principle for Long-Term Monitoring of BOD and PH: A Novel Approach in Wastewater Characterisation”. Vietnam Journal of Science, Technology and Engineering, vol. 62, no. 3, Sept. 2020, pp. 10-14, doi:10.31276/VJSTE.62(3).10-14.