1. Chemistry: Concepts and problems
Author: Houk, Clifford C.
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Programmed instruction ، Chemistry
Classification :
QD
31
.
2
.
H66
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2. Chemistry ; cocepts and problems
Author: / by clifford C. Houk [and] Richard post,Houk
Library: Central Library and Documents Center of Tehran University (Tehran)
Subject: Chemistry -- Programmed instruction
Classification :
QD
31
.
2
.
H66CH
![](/design/images/bookmore.png)
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3. Chemistry. concepts and problems
Author: Houk, Clifford C.,3391-,Clifford C. Houk, Richard Post
Library: Library and Documentation Center of Kurdistan University (Kurdistan)
Subject: ، Chemistry- Programmed instruction
Classification :
QD
31
.
2
.
H66
![](/design/images/bookmore.png)
![](/design/images/visualshelfbtn.png)
4. Chemistry : concepts and problems : a self-teaching guide
Author: Houk, Clifford C.
Library: Central Library of Sharif University of Technology (Tehran)
Subject: ، Chemistry-- Programmed instruction
Classification :
QD
31
.
2
.
H66
1996
![](/design/images/bookmore.png)
![](/design/images/visualshelfbtn.png)
5. chemistry: concepts and problems
Author: Houk, Clifford C
Library: Central Library of Sharif University of Technology (Tehran)
Subject: ، Chemistry-- Programmed instruction
Classification :
QD
31
.
2
.
H66
![](/design/images/bookmore.png)
![](/design/images/visualshelfbtn.png)