Roslah Arsad, Zaidi Isa, Ezzah Suraya Sarudin, Budi Halomoan Siregar and Mohammad Nasir Abdullah (2023) “Evidence of Malaysian Company Performance using Copula and Stochastic Frontier Analysis During the COVID-19 Pandemic”, Journal of Advanced Research in Applied Sciences and Engineering Technology, 33(1), pp. 256–266. doi: 10.37934/araset.33.1.256266.