List of Articles R software Open Access Article Abstract Page Full-Text 1 - Comparison of Iran Provinces Regarding to the Chemical Fertilizer Consumption in Crop Production Using the t-map Package of the R Software IMAN AHMADI 10.30486/roce.2020.697239 Open Access Article Abstract Page Full-Text 2 - Creation of a Spatiotemporal Map of Continent-wide Pesticide Consumption for Crop Production in the Period Between 1990 and 2020 Using the R Software IMAN AHMADI 10.30486/roce.2021.704655