contoh kalimat model kübler-ross

• The Kübler-Ross model, commonly known as the five stages of grief, is a theory first introduced by Elisabeth Kübler-Ross in her 1969 book, On Death and Dying.
  Model Kübler-Ross, yang juga dikenal dengan sebutan Lima Tahapan Kedukaan (The Five Stages of Grief), pertama kali diperkenalkan oleh Dr. Elisabeth Kübler-Ross pada bukunya tahun 1969, On Death and Dying.