List of Articles Optimal Decision Open Access Article Abstract Page Full-Text 1 - Providing a comprehensive model of decision making based on the attitudes and behavior of investors using structural equation modeling Zahra Hosseinzadeh Zadullah Fathi Hossein Shafiei Open Access Article Abstract Page Full-Text 2 - Optimal overhaul–replacement policy for a multi-degraded repairable system sold with warranty Kusmaningrum Soemadi Bermawi Priyatna Iskandar Harsono Taroepratjeka