List of Articles Cobb Open Access Article Abstract Page Full-Text 1 - Analyze the Factors Affecting Labor Productivity in Producing Grapes (Case Study: Grape Growers Doshman Zeyari Region of Mamasani Township, Fars Province, Iran) Mostafa Teimoori Seyed Rooholah Mousavi Open Access Article Abstract Page Full-Text 2 - Estimating Production Function under Endogeneity: A Model Based on Data Envelopment Analysis Roghyeh Malekii Vishkaeii Behrooz Danishian Farhad Hosseinzadeh lotfi Open Access Article Abstract Page Full-Text 3 - Providing an Applicable Model to Calculate the Return & Spillover of Research & Development in Iran's Selected Industries Ahmad Jafarnejad Abolfazl Kiani Bakhtiyari Mohammad Hajali Open Access Article Abstract Page Full-Text 4 - Evaluating the effect of managerial and economic factors on broiler poultry production in Qom province Ghasem Gholami sahar dehyouri Open Access Article Abstract Page Full-Text 5 - Total Factor Productivity of Khosh Noosh Beverage Company naserali yadollahzadeh tabari seyedeh zahra khoshabi Open Access Article Abstract Page Full-Text 6 - تأثیر سطوح مختلف پروتئین در جیرههای بر مبنای اسید آمینه کل و قابل هضم بر روی عملکرد جوجههای گوشتی سویه کاب ح. قربانعلی زارعی ا. ح. نوروزیان Open Access Article Abstract Page Full-Text 7 - Comparative study on experimental coccidiosis of Ross and Cobb broilers by quantitation of plasma carotenoids S.SH Reza SHojae N.E Kakrodi N. Bakhtiyari Open Access Article Abstract Page Full-Text 8 - Effect of Dietary L-Carnitine Supplementation on Characteristics of Cobb's Semen A. Shadmanesh A. Fattah Open Access Article Abstract Page Full-Text 9 - Investigation of environmental impacts in sugar beet production and the effect of production inputs on yield and profit to cost ratio Shayan Firozi Mohammad Gholami Iraj Ranjbar Davood Mohammad Zamani 10.22034/aej.2021.682805