Meldona, Sulis Rochayatun. External Integration and Halal Assurance System Integrity for Achieving the Performance: Based on The Structural Contingency Theory Approach. IJABM [Internet]. 2024 Oct. 31 [cited 2026 May 7];3(5):679-700. Available from: https://journal.formosapublisher.org/index.php/ijabm/article/view/11745