Congress Support President Obama to Observe Ionocovalency

Congress once again issued support Obama follow ionocovalency oppose hegemonism https://ssl.congress.org/congressorg/bio/userletter/?id=3181&letter_id=8123519221

** A Letter from President Obama to Yonghe Zhang http://www34.jimdo.com/app/sddf25555f6527341/p633f271cc21c3a84/