Purbodjati, Sulistiyo E. Application of the Petis Mixer Machine Equipped with Temperature Control to Increase the Effectiveness of the Production Process of the Petis Sidoarjo UKM. jpmm [Internet]. 2021 Jun. 8 [cited 2024 Nov. 22];5(1):118-27. Available from: https://journal.unj.ac.id/unj/index.php/jpm/article/view/19638