21. ......................

Author:

Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)

Subject: Problems, exercises, etc ، Chemistry

Classification :
QD
42
.
L33
1984

23. ......................

Author:

Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)

Subject: Problems, exercises, etc ، Chemistry, Physical and theoretical

Classification :
QD
456
.
W6
1964

24. ......................

Author:

Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)

Subject: Problems, exercises, etc ، Chemistry

Classification :
QD
42
.
S27
1984

30. Advanced chemical calculations

Author:

Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)

Subject: Problems, exercises, etc ، Chemistry

Classification :
QD
42
.
S56
1953

35. Advanced chemistry

Author:

Library: Central Library and Document Center of Shahid Madani University of Azarbayjan (East Azarbaijan)

Subject: Chemistry,Chemistry - problems, exercises, etc

Classification :
QD
,
31
.
2
,.
C59
,
2000

36. Advanced chemistry

Author:

Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)

Subject: ، Chemistry,Problems, exercises, etc ، Chemistry

Classification :
QD
31
.
2
.
C59
2000

37. Advanced chemistry calculation

Author:

Library: IBB LIBRARY (Tehran)

Subject: Chemistry -- Problems, exercises, etc.

Classification :
QD
42
.
A3
1986