Does COVID-19 Outbreak Push Saudi Crude Oil to Connect with Selected GCC Equity Market? Insight of Time Varying Linkage Autori: Miklesh Prasad Yadav, Sabia Tabassum, Anas Ali Al-Qudah, Manaf Al-Okaily, Myriam Aloulou, Nikola Stakić, Marcos Santos Časopis: Computational Economics DOI: 10.1007/s10614-023-10523-y