TY - JOUR AU - sokhandan, zahra AU - nasrollahi, farshad AU - Ghafari, Abas TI - Optimization of Acoustical Function of Sound Absorbers with Emphasis on Geometry and Height of Spaces JO - Hoviatshahr VL - 13 IS - 1 SP - 8 EP - 18 PY - 2019 DO - ER -