https://onlinelibrary.wiley.com/doi/abs/10.1002/1520-6807%28197701%2914%3A1%3C72%3A%3AAID-PITS2310140115%3E3.0.CO%3B2-U
by JJ Lietz · 1977 · Cited by 8 — The association between office referrals and the ethnicity and sex of 20 grade 1-6 teachers and 567 (323 black, 130 white, and 114 Spanish sur