Co-Authors Ahmad, Hasnia Andree Saylendra, Andree Anshar Anshar Anshar Anshar, Anshar Aridha, Rini Arpandjaman, Arpandjaman Awal, Muhammad Erawan, Tiar Hafsah Tahir Hasbiah Hasbiah Hasbiah Hendrik Hendrik L. Lisnawati Lestari, Mas roro Diah Wahyu Lisnawati Lisnawati Muh Thahir Muhammad Awal Muhammad Thahir Muztahidin, Nur Iman Nurhasanah siregar Nurmayulis Nurul Fajriah Ramba, Yonathan Sudaryanto Suharto Suharto Tahir, Hafsah Tiar Erawan Yoskar Kadarisman