Sa’adi N, Ahmad NA, Tamrulan F, Ngah Seron NF. A SYSTEMATIC REVIEW ON THE KEY ELEMENTS OF SUSTAINABLE CAMPUS INITIATIVES IN HIGHER EDUCATION INSTITUTIONS. PM [Internet]. 2026 Apr. 13 [cited 2026 May 14];24(41). Available from: https://mail.planningmalaysia.org/index.php/pmj/article/view/1995