In common parlance demographic dividend means the economic growth caused by changes in the age structure of population of a country. Bangladesh entered the phase of demographic dividend in early 2007. considering the average timeline of this important phase which is 20-30 years; Bangladesh is currently passing the midway point of it. Amid this situation. https://echobookmarks.com/story19493398/contribui%C3%A7%C3%B5es-da-estrat%C3%A9gia-de-ensino-estudo-de-caso-para-o-desenvolvimento-de-habilidades-did%C3%A1ticas-em-licenciandos-de-qu%C3%ADmica