Jayaswal MK, Mittal M, Sangal I, Yadav R. EPQ model with learning effect for imperfect quality items under trade-credit financing. YUJOR [Internet]. 2021 May 1 [cited 2025 Aug. 27];31(2):235-47. Available from: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/663