List of Articles BPD Open Access Article Abstract Page Full-Text 1 - Diethylenetriamine supported on cellulose as a biodegradable and recyclable basic heterogeneous catalyst for the synthesis of spirooxindole derivatives Batol Zakerinasab Mohammad Ali Nasseri Ali Allahresani Open Access Article Abstract Page Full-Text 2 - Investigating Water Use Efficiency in Agricultural Production in Irrigation and Drainage Networks of Khuzestan Province (Case Study: Northern Karkheh Irrigation and Drainage Network) mohammad pirmoradi ali asareh mehdi asadi loor