(1)
Kumbhar, S. V.; Takale, A. M.; Badiwale, A. H.; Gawali, A. D.; Bhanase, B. S. Design and Development of Helical Compression Spring Stiffness Testing Machine for I.C. Engine Valves With Stepper Motor by Using Computer Control.
ARME
2018
,
7
, 42-45.