1. ......................
Author: Richards, Roy
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Experiments -Juvenile literature ، Science
Classification :
Q
164
.
R53
1991
2. Air pollution and health
Author: / Jon Ayres,Robert maynard,Roy Richards
Library: Central Library and Document Center of Arak University (Markazi)
Subject: Air pollution health-aspects,respiratory organs-diseases etiology
Classification :
615
.
902
A985a
3. Air pollution and health
Author: Jon Ayres, Robert Maynard, Roy Richards ]editors[
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Pollution -- Physiological effect ، Air,Physiological effect ، Particles,Physiological effect ، Aerosols
Classification :
QP
82
.
2
.
A3
A35
2006
4. An early start to ourselves and evolution with life processes
Author: Richards, Roy
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Study and teaching ، Evolution
Classification :
QH
362
.
R53
1991
5. An early start to science
Author: Richards, Roy
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Study and teaching )Elementary( ، Science
Classification :
LB
1585
.
R53
1987
6. An early start to technology from science
Author: Richards, Roy
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Study and teaching )Elementary( ، Technology,Study and teaching )Elementary( ، Science
Classification :
Q
181
.
R53
1990
7. Early experiences : a unit for teachers
Author: chief author Roy Richards
Library: Central Library and Documentation Center (Kerman)
Subject: Study and teaching )Elementary( ، Science
Classification :
Q
161
.
2
.
G7
E27
1972
8. Holes, gaps and cavities, stages 1 & 2 : a unit for teachers
Author: )by( Roy Richards and others
Library: Central Library and Documentation Center (Kerman)
Subject: ، Science - Study and teaching
Classification :
Q
181
.
S36
1973
9. Microcomputing in COBOL
Author: / Roy Martin Richards
Library: Tehran University, technical faculty libraries 1 (Tehran)
Subject: COBOL (Computer program language),Structural programming,Microcomputers - Programming
Classification :
QA
76
.
73
.
C25R49
1987
10. Microcomputing in COBOL. structured interactive applications
Author: Richards, Roy Martin,7491-, Roy Martin Richards
Library: Library and Documentation Center of Kurdistan University (Kurdistan)
Subject: ، COBOL )Computer program language(,، Structured programming,، Microcomputers- Programming
Classification :
QA
76
.
73
.
C25
R49
1987
11. Time, stages 1 & 2 and background information : a unit for teachers
Author: by Roy Richards
Library: Central Library and Documentation Center (Kerman)
Subject: Study and teaching ، Time,، Science - Study and teaching
Classification :
Q
181
.
S36
1972
