Yu Guangmin, Nurgissa Seilov, and Akparova Aigul. “VERTICAL INTEGRATION AND MULTI-SOURCING: A CAUSAL ANALYSIS OF BYD’S STRATEGY ON PROCUREMENT COSTS AND SUPPLY CHAIN RESILIENCE”. Interdisciplinary Science Studies, no. 12 (March 30, 2026). Accessed July 21, 2026. https://ojs.scipub.de/index.php/ISS/article/view/8135.