Khairul Hasan

• Regional and inter-regional input-output model as a planning tool for economic development in Indonesia
• Color by Number Coloring Book for Kids Ages 8-12 :
• Mystère Livre de Coloriage Couleur Par Numéro Pour Adulte
• Pâques Livre de Coloriage : Coloring and Activity Book for Toddlers and Preschool Kids Ages 1-5