12:53
data collection data analysis
11:31
Time Management part 1
11:40
Green chemistry
07:08
Iron, Mn, arsenic and Fluorides in water
14:51
Solutions
09:56
Biochemistry basic
12:39
Radioactive pollution 2
09:09
Radioactive pollution 1
10:40
Soaps and detergents
15:19
Advanced Oxidation Processes
05:23
Layers of Atmosphere and Temperature
10:27
Recorded ODL lecturer 1 1 Layers of Atmosphere-Mphil
05:55
Pesticides A
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