Co-Authors Agus Sudiro Agustina Ridhowati Ari Rajasa Astuti Hadi Rahayu Chatarina Muryani Danang Endarto Dony Andrasmara Endah Evy Nurekawati Erly Zohrian Pembriati Heribertus Soegiyanto Lynda Sischa Novrilyana Mita Ratnasari Mohammad Gamal Rindarjono Saptono Madiama Sarwono , Sarwono Sarwono Sarwono Sarwono Vonny vonny