00840nam a22002297a 4500 57858 57858 AU-EpEBC 20201104033442.0 190626s2019 ulka 000 kor 9788999718557 (pbk.) Au-EpEBC 23 362.7 ml Park, Sangkyu (朴相圭) [1957- ] (중독전문가 박상규 교수가 전하는) 스마트폰에 빠진 우리아이 구출하기 = (Professor Park Sang-gyu, an addiction expert) Rescuing my child from smartphone / Sang-gyu Park. Saving my children from smartphone addiction practical advice from an addictional specialist / Seoul: Hakji Branch, 2019. 220 p. : ill. ; 23 cm. References: p. 213-220. Smartphones Addictive behavior ddc AM 0 0 ddc 0 0 300 Social Sciences MAIN MAIN OpenKorean 2020-08-17 0 KOR/362.7/PAR 125178 2020-08-17 00:00:00 1 2020-08-17 AM