221. 3000 solved problems in organic chemistry

Author:

Library: (Semnan)

Subject: ، Chemistry organic- Problems, exercises, etc

Classification :
QD
257
.
M43

223. 3000 solved problems in organic chemistry

Author:

Library: Central Library and Information Center of Birjand University (South Khorasan)

Subject: ، Chemistry, organic - problems, exercises, etc

Classification :
QD
257
.
M43
1993