Mamatov , Alisher, Ravshanbek Zulunov, and Munira Sodikova. “Application Of Variational Grid Method For The Solution Of The Problem On Determining Mosture Content Of Raw Cotton In A Drum Dryer”. The American Journal of Engineering and Technology 3, no. 02 (February 26, 2021): 75–82. Accessed February 23, 2026. https://theamericanjournals.com/index.php/tajet/article/view/868.