pP๊NCYyI๐ฎF2Ep๑Ep๊z
ฟฒซํ[h
ก10โฺ ๑สก
sณ๐I
ณ@๐Froast
@ิF4953b
ณ๐F3โ
ๆ11โฺ
เฬE๎{ฬEณfฬ
characteristic
abstract
total
elementary
efficient
j [ึ
ฤงํ