Author(s) : Djajadi, Arko - Sihombing, Poltak - Jaya, Indra K. - Lubis, Muharman - Magdaleno, Guillermo E. Medina - Munandar, M. - Nguyen, Le H. - Syafei, Nendi Suhendi -

Author(s) : Panjaitan, Seno D. - Sihombing, Poltak - Turnip, M. - Niro, Lorenzo - Simatupang, Joni Welman - Valentino, Kelvin - Iskandar, Shelly - Kuswana, Gilang S. - Fatimah, Rini N. - Ramadhan, Satria A. - Simbolon, Artha Ivonita - Sitompul, Erwin - Sumantri, Eric - Yovita, Leanna Vidya -

Author(s) : Sihombing, Poltak - Saragih, Yuliarman - Solanki, Brijraj S. - Banditwattanawong, Thepparit - Avestro, Junnel E. - Afriansyah, Adam - Nugroho, Tunggul A. - Sumarso, Ade H. - Yuliani, Euis N.S. - Wahrudin, Ahmad -

Author(s) : Sediyono, Eko - Simanjuntak, Humasak - Agarwal, Yash - Simamora, Bachtiar H. - Azam, Syed M. - Bonnyswara, Raden - Sihombing, Poltak - Saedudin, Rd Rohmat - Wimatra, Ayub -