Ngetha, Harrison; H., TAMAGAWA; K., MATSUSHITA; S., ITO; M., SASAKI(Journal of Applied Sciences, Engineering and Technology for Development JASETD, 2017-09)
Muriithi, James Maina; Ngetha, Harrison; Byiringiro, Jean Bosco; Volkmer, Kevin; Carolus, Thomas(European Journal of Engineering Research and Science, 2019-06-14)
K., MATSUSHITA; S., ITO; S., KATO; Ngetha, Harrison; M., SASAKI(Journal of Applied Sciences, Engineering and Technology for Development JASETD, 2017-09)
K., MATSUSHITA; S., ITO; T., SAEKI; Ngetha, Harrison; M., SASAKI(Journal of Applied Sciences, Engineering and Technology for Development JASETD, 2017-09)