, https://www.who.int/activities/improving-water-safety

, https://www.qdrum.co.za/

, https://hipporoller.org/

Beom-Su Kim, Hong-Shik Lee, Dae-Hee Park, 2019, Analysis of Microbial Sterilization and Photometric Performance of High Power UV-C LEDs, Proceedings of KIIEE Annual Conference, pp. 38-38

Ho-Hoon Kim, 1994, Present status and effective contral measure of water-borne infectious diseases, in Korea Journal of Environmental and Sanitary Engineering, Vol. 9, No. 2, pp. 41-49

Ryu, Ji-Hyeob, Choi, Rang-Kyu, Park, Hun, 2010, Development of Portable Hybrid Water Purifier System, Vol. 3, No. 2, pp. 47-55

Kiwoong Kim, Sang Joon Lee, 2019, Highly charged surface as an effective barrier on a nanoporous membrane for enhanced water filtration performance, Spring Conference of the Korean Society of Mechanical Engineers, pp. 45-46

, https://www.katadyn.com/en/ch

Boram Yang, Jeong-Ann Park, Hye-Lim Nam, Sung-Mok Jung, Jae-Woo Choi, Hee-Deung Park, Sang-Hyup Lee, 2017, Degradation of Microcystin-LR, Taste and Odor, and Natural Organic Matter by UV-LED Based Advanced Oxidation Processes in Synthetic and Natural Water Source, Journal of Korean Society of Environmental Engineers, Vol. 39, No. 5, pp. 246-254

Yoon-Jung Shin, Hyunwoo Kim, Intae Shim, 2016, Project for Drinking Water and Biosand Filter Supply Based on Appropriate Technology in Vietnam, JOURAN OF THE KOREAN SOCIETY OF CIVIL ENGINEERS, Vol. 64, No. 4, pp. 46-48

Sung-Hoon Ahn, 2017, Renewable energy-based appropriate tech- nology in the era of 4th industrial revolution-a case study of alpine village of Nepal, Collection of papers for the Korean Society of Precision Engineering’s Academic Pre- sentation, pp. 11-11

Tae-Hwoa Jung, Yun-Tai Lee, Myung-Won Lee, Bok-Kwon Lee, Ki-Sang Kim, 1986, The Pathogenic Role of Enterobacteria (Salmonella, Shigella and E. coli spp) Isolated in Korea, The Journal of the Korean Society for Microbiology, Vol. 21, No. 1, pp. 73-95