TY - JOUR AU - Sabouri, ]. AU - Mohseni Amin, A. AU - Goldasteh, Sh. AU - Alipanahi, N. TI - Estimating an appropriate sample unit for sampling programs of alfalfa aphids in alfalfa fields JO - IAU Entomological Research Journal VL - 10 IS - 2 SP - 101 EP - 109 PY - 2018 DO - ER -