Until recently, science as a school subject has been unknown at the primary school level in most countries of the Third World.
Read publication - Low-cost Science Teaching Equipment, 2Education materials developed during the past two decades have tended to stress student participation and learning by doing.
Read publication - Low-cost Science Teaching EquipmentThis revised survey has been carried out by the International Extension College at the request of the Commonwealth Secretariat.
Read publication - Correspondence Institutions in the Commonwealth 1976