Singh, Moirangthem Binanda <br/><br/>
A study on uses of smart phone and its effects on health among adolescents with a view to conduct need based focus group discussion with excessive user in selected higher secondary school of doiwala dehradun uttarakhand 
/ by - Moirangthem Binanda Singh , Guided by - Vandana Chauhan 
 - Dehradun;  SRHU,  2019