May 2019
![](https://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1005.3416
![](https://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1005.3449
![](https://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1005.3450
![](https://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1005.3417
![](https://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1005.3418
![](https://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1005.3419
![](https://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1005.3420
![](https://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1005.3421
![](https://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1005.3422
![](https://recentscientific.com/sites/default/files/default_images/publication-file-icon_0.png)
Subject:
science
DOI:
http://dx.doi.org/10.24327/ijrsr.2019.1005.3423