Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Harada Tetsuo and Takaya Kiyotaka and Takeuchi Hitomi and Nakajo Mitsuru,Sea urchins and wharf roaches as teaching materials for marine biological practical courses,JSSE Research Report,1882-4684,Japan Society for Science Education,2018-05-26,32,8,15-18,https://cir.nii.ac.jp/crid/1390564237999458048,https://doi.org/10.14935/jsser.32.8_15