· pdf filemaklumar berikur adalah mengenai saru unsur dalam jadual berkala. located in period...
TRANSCRIPT
https://cikguadura.wordpress.com
https://cikguadura.wordpress.com/
https://cikguadura.wordpress.com/
https://cikguadura.wordpress.com/
TRANSCRIPT
https://cikguadura.wordpress.com
https://cikguadura.wordpress.com/
https://cikguadura.wordpress.com/
https://cikguadura.wordpress.com/