salca, muhammad akbar. 2018. “LAUGH THERAPY EFFECT ON THE LEVEL OF ANXIETY S1 NURSING STUDENTS ARE FACING IN THESIS FINAL EXAM OF STIKES GENERATION POLEWALI MANDAR”. Bina Generasi : Jurnal Kesehatan 8 (2). Sulawesi Barat, Indonesia:1-10. https://doi.org/10.35907/bgjk.v8i2.63.