Ella Eny, Gérémino, Honorine Angue Mintsa, Aimé Joseph Oyobé Okassa, and Gamany Luthenda. “Automation of an African Wooden Pestle: Pneumatic or Hydraulic Actuation?”. International Journal of Engineering & Technology 12, no. 2 (November 30, 2023): 82–87. Accessed December 22, 2024. https://sciencepubco.com/index.php/ijet/article/view/32417.