Widjaja J, Putra Irawan NZ, Soeharyadi Y, Tampubolon DR. A MODEL ON MARKET EQUILIBRIUM USING A DIFFERENTIAL EQUATION WITH TIME DELAYS. BAREKENG: J. Math. & App. [Internet]. 1Jul.2025 [cited 5Jul.2025];19(3):1893-904. Available from: https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/16535