TY - JOUR AU - Martin, Philip L. TI - Trump and U.S. immigration policy JF - California Agriculture JO - Calif Agr Y1 - 2017/02/17 VL - 71 IS - 1 SP - 15 EP - 17 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://dx.doi.org/10.3733/ca.2017a0006 L3 - 10.3733/ca.2017a0006 AB -