6 1 30 Evita Aurilia Nardina Primary Author mixed material Evita Aurilia Nardina, ‎Cahyaning Setyo Hutomo, ‎Hasni Yaturramadhan Harahap Primary Author mixed material Evita Aurilia Nardina, ‎Etni Dwi Astuti, ‎Suryana Suryana Primary Author mixed material Sulfianti Sulfianti, ‎Evita Aurilia Nardina, ‎Julietta Hutabarat Primary Author mixed material Etni Dwi Astuti, ‎Evita Aurilia Nardina, ‎Marlynda Happy Nurmalita Sari Primary Author mixed material Evita Aurilia Nardina Primary Author mixed material