Tursunov Shavkat Serabovich, and Turaev Zuhriddin Bahodirovich. “Basic Laws In The Process Of Crushing Solid Household Waste In Hammer Crushers”. Journal of Pedagogical Inventions and Practices, vol. 3, Jan. 2022, pp. 211-5, https://zienjournals.com/index.php/jpip/article/view/558.