00491nam a2200145 4500 510393 510393 190814b ||||| |||| 00| 0 eng d Lavy, Victor 8317 The effect of social networks on students' academic and non-cognitive behavioural outcomes: evidence from conditional random assignment of friends in school 2019 p.439-480. Sand, Edith 8318 Economic Journal Social networking ddc AR 0 0 ddc 0 0 384329 IIPA IIPA 2019-08-14 129(617), Jan, 2019: p.439-480. AR120283 2019-08-14 AR