Levenbach, H., & Hans Levenbach; James P. Cleary. Forecasting: Practice and process for demand management. Belmont, CA: Thomson/ Brooks/Cole.

Levenbach, Hans, و Hans Levenbach; James P. Cleary. Forecasting: Practice and Process for Demand Management. Belmont, CA: Thomson/ Brooks/Cole.

Levenbach, Hans, و Hans Levenbach; James P. Cleary. Forecasting: Practice and Process for Demand Management. Belmont, CA: Thomson/ Brooks/Cole.