September 2019
![](http://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1009.4029
![](http://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1009.3986
![](http://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1009.4030
![](http://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1009.3987
![](http://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1009.3917