00448nam a22001337a 4500 220718b |||||||| |||| 00| 0 eng d POL.SCI CAP NO.165 Rinzin, Yonten Kuenphen Impact of smart phone usage on the behaviour and academic performance of teenagers in Bumthang Valley Thimphu : Royal Thimphu College, 2022. iv, 71 p. 30 cm. Student research work ddc 9028 9029 0 0 ddc 0 0 STUDENT WORK RTCLIB RTCLIB STUDENT WORK 2022-07-18 16488 2 POL.SCI CAP NO.165 30015524 2024-06-14 00:00:00 2024-06-08 2022-07-18 STUDENT WO