Takunsaranakom C. Surface Improvement on Low Carbon Steel with Gas-carbonitriding Hardening Process as an Alternative Material used in Producing Blade for Organic Fertilizer Grinder. Pnu Sci J [internet]. 2021 May 11 [cited 2026 Aug. 28];13(2):265-81. available from: https://li01.tci-thaijo.org/index.php/pnujr/article/view/248436