Co-Authors Amin Husni Andriana, Sari Sarce Berliana Saragih Dian Ratna Sawitri Doloksaribu, Juliyanti Hia, Arianto Sudharman Hotmaida, Linda JULIYANTI JULIYANTI, JULIYANTI Mayesti Akriani Napitupulu, Rosmawati Natalia, Lidya Novita Sari, Dalia Novita, Marsela Dian Novita Nurjamilah, Nurjamilah OD Sariningsih Pujiati, Eny Rentalui, Mona Rosalina Tambunan Rupina, Sumarni Saragih, Berlyna Silpia, Rida Sinaga, Saurmian Sinuraya, Pangindenan Sitorus, Neti Tambunan, Roselina Tri Ardayani, Tri Triana, Hanni Triantono, Kristoforus Widiastuti, Yuliati Yeni Yeni Yuliani Yuliani