Surya AC, Natasha G. Is There Any Sectoral Cointegration in Indonesia Equity Market?. Int. res. j. bus. stud. [Internet]. 2025 Nov. 13 [cited 2025 Dec. 4];10(3):159-72. Available from: https://irjbs.prasetiyamulya.ac.id/index.php/jurnalirjbs/article/view/717