Jafari Matehkolaee,M. , , Sadat Hosaini Aeen,M. , and Famaizagharami,A. . "A mathematical procedure for work of the friction force on the arbitrary path", Transactions in Theoretical and Mathematical Physics, 1, 4, 2024, 121-123. doi: 10.30511/ttmp.2024.2027623.1025