List of articles (by subject) Routing and transportation planning Open Access Article Abstract Page Full-Text 1 - Medical goods distribution and pharmacological waste collection by plug-in electric vehicles with load-dependent energy consumption: Shuffled frog leaping algorithm Javad Behnamian Zhaleh Kiani 10.71720/joie.2025.1184399 Open Access Article Abstract Page Full-Text 2 - Product-oriented split delivery in the multi-compartment vehicle routing problem Mahnaz Shoeib jafar Bagherinejad Mahdi Bashiri 10.71720/joie.2025.1190026