Author : Dr. Ernawati Pasaribu, S.Si., M.E.; Prof. Dr.. Ir. Hermanto Siregar, M.Ec.; Febrianto Nainggolan, S.Tr.Stat.

Author Claimed by:
ERNAWATI PASARIBU;  

Author : Sri Lestari Prasilowati dan Dewi Anggrayni

Author Claimed by:
SRI LESTARI PRASILOWATI;   DEWI ANGGRAYNI;  

Author : Mego Pinandito, Anugerah Widiyanto, Ita Konita, Mario Ekoriano, Teguh Widodo, Hari Harjanto Setiawan, Yanu Endar Prasetyo, Afifah, Desiani

Author Claimed by:
ANUGERAH WIDIYANTO;  

Author : Ahmad Muhtadi, Rusdi Leidonald

Author Claimed by:
AHMAD MUHTADI;  

Author : Efbertias Sitorus, Rakhmad Armus, Masayu Rosyidah, Lia Destiarti, Fatmawaty Rachim, Erdawaty, Rahmawati, Mahyudin, Jhon Sufriadi Purba, Sri Murtini

Author Claimed by:
LIA DESTIARTI;   RAHMAWATI;   ERDAWATY;   FATMAWATY RACHIM;   RAKHMAD ARMUS;   JHON SUFRIADI PURBA;   MAHYUDDIN;   SRI MURTINI;  

Author : Syahriani Sirait, Nur Kholifah, Agung Nugroho Catur Saputro, Jefri Parrangan, Kartini Hustagaol, Ariyanto Nggilu, M.Nurtanto, Eka Margareta Sinaga, Iyan Irdiyansyah

Author Claimed by:
MUHAMMAD NURTANTO;   AGUNG NUGROHO CATUR SAPUTRO;   syahriani sirait;   NUR KHOLIFAH;   JEFFRI PARRANGAN;   ARIYANTO NGGILU;  

Author : Suhendi Syam, Andayani Sarwiji Suwandi, Raheni Suhita

Author Claimed by:
RAHENI SUHITA;   SUHENDI SYAM;  

Author : Muhammad Fairuzabadi, Indah Purnama Sari, Sudirman Berti Sari Br Sembiring, Cucut Susanto, Fera Damayanti Ayu Lestari Perdana, Wiranti Kusuma Hapsari, Ari Usman

Author Claimed by:
FERA DAMAYANTI;   MOHAMMAD FAIRUZABADI;   ARI USMAN;   INDAH PURNAMA SARI;   SUDIRMAN;   WIRANTI KUSUMA HAPSARI;  

Author : Bonaraja purba, Hendra halim, Stenly richard pungus, sudirman, Andre Rabiula, Janner Simarmata, Muhammad Ichsan Gaffar Deske W Mandagi, Yahya Kuncoro, Muharman Lubis, Nur Hidayat Andrew Christian Aseng, Siti Maemunah Joan Berlin Damanik, Fauzan Azmi,

Author Claimed by:
ANDREW CHRISTIAN ASENG;   JANNER SIMARMATA;   BONARAJA PURBA;   NUR KHOLIFAH;   MUHARMAN LUBIS;   SITI MAEMUNAH;   SUDIRMAN;   MUHAMMAD ICHSAN GAFFAR;   HENDRA HALIM;   DESKE W. MANDAGI;   ANDRE RABIULA;   FAUZAN AZMI;   NUR HIDAYAT;  

Author : Andrew Ridow Johanis M, Wisnu Yusditara, Andriasan Sudarso Nurdelila, Lidya Chitra Laoh, Syafrida Hafni Sahir Mohammad Zubair Hippy, Eljihad Akbari Syukriah Mathory Ni Made Purnami, Nur Hidayat, Abraham LP Lelengboto

Author Claimed by:
NI MADE PURNAMI;   SYAFRIDA HAFNI SAHIR;   ABRAHAM LESLIE PETIR LELENGBOTO;   ANDREW RIDOW JOHANIS M;   MOHAMMAD ZUBAIR HIPPY;   LIDYA CHITRA LAOH;   NUR HIDAYAT;