One of the important things for the science teacher to do at this season is to lay definite plans for the work of the semester or year. One way to do this is to entrust everything to the text book.
©1930 by Iowa State Teachers College
"Planning the Year's Work,"
Science Bulletin: Vol. 3:
1, Article 6.
Available at: https://scholarworks.uni.edu/science_bulletin/vol3/iss1/6