Organic fertilizer production
‧所屬學校: 哈瑪星國小
‧書籍分類: 六年級自然 / 校內教師上傳區
‧書籍名稱: Organic fertilizer production
‧書籍作者: Hamastar
‧書籍大綱:
Students will learn the method to product organic fertil...
‧書籍簡介:
Proper classification of kitchen waste can increase socia...
‧推薦次數: 0  ‧點閱次數: 603  ‧上架日期: 2015/06/16
‧閱覽次數: 87 ‧收藏人數: 1