Park, Sangkyu (朴相圭)  [1957- ] <br/><br/>
(중독전문가 박상규 교수가 전하는) 스마트폰에 빠진 우리아이 구출하기 = (Professor Park Sang-gyu, an addiction expert) Rescuing my child from smartphone / 
 Saving my children from smartphone addiction practical advice from an addictional specialist / 
Sang-gyu Park. 
 - Seoul:  Hakji Branch,  2019. 
 - 220 p. :   ill. ;  23 cm. 
<br/><br/>References: p. 213-220. 
<br/><br/><label>ISBN: </label>9788999718557 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Smartphones<br/>Addictive behavior
<br/><br/><label>Dewey Class. No.: </label>362.7