About WASHIZU KANOKO
About ISHIHARA HISAYO
About 繊維製品消費科学
About miscellaneous goods
About textile product
About multiple regression analysis
About pollution
About questionnaire
About color
About questionnaire
About stain
About dustcloth
About multiple regression analysis
About Daily necessaries and sundries industry in general
About 雑巾
About 汚れ
About 色彩
About 要因