Hydroxyapatite is a ceramic that has several advantages, including having properties similar to bone in humans, and can be used as a catalyst, materials such as cow bone are easy to obtain, as well as silica and green beans. The purpose of making hydroxyapatite made from beef bone is intended to reduce waste from cow bones and be used as a catalyst. Hydroxyapatite composite using powder metallu…
Penelitian ini bertujuan untuk menggambarkan tingkat kinerja saham Bakrie Group di tengah gejolak IHSG Bursa Efek Indonesia. Alat ukur (tool measure) yang digunakan pada penelitian ini dalam mengukur kinerja saham-saham dari perusahaan yang tergabung dalam Bakrie Group ialah Indeks Sharpe, Indeks Jensen dan Indeks Treynor. Penggunaan ketiga indeks ini sebagai metode analisis dalam penelitian di…