All articles in this issue include authors from three universities in INDONESIA (Department of Medical Electronics Technology, Poltekkes Kemenkes Surabaya; Department of Medical Laboratory Technology Poltekkes Kemenkes Surabaya; Department of Electromedical Engineering, Poltekkes Muhammadiyah Makassar, Indonesia; Department of Epidemiology of Mother and Child Hospital Pertiwi, Makassar, Indonesia; Poltekkes Kemenkes Jakarta 2;  School of Electrical Engineering, Telkom University, Indonesia) and six universities from other countries (Mohaghegh Ardabili University, IRAN; Department of Computer engineering, Azerbaijan State Oil and Industry University, AZERBAIJAN;Department of Electronics and Telecommunication Engineering, Jadavpur University, INDIA;  Mechanical and Industrial Engineering Department, Bani Waleed University, LIBYA; Shehu Shagari University of Education Sokoto, Nigeria; Department of Science Laboratory Technology, Umaru Ali Shinkafi Polytechnic Sokoto, NIGERIA; Department of Environmental Education, Shehu Shagari University of Education Sokoto, NIGERIA; Crown University International Chartered Incorporated; Kushtia Islamic University BANGLADESH; Abubakar Tafawa Balewa University Bauchi, Bauchi state, Nigeria; Public Health Student at National Open University of NIGERIA; Malaria Consortium Kogi State, NIGERIA;).