@article{weko_14687_1,
   author	 = "立花,正男",
   title	 = "算数・数学科の授業改善 : 発展的な学習の視点から",
   journal	 = "岩手大学大学院教育学研究科研究年報",
   year 	 = "2019",
   volume	 = "3",
   number	 = "",
   pages	 = "91--109",
   month	 = "mar"
}