https://pensoft.net/ Download this publisher's e-journal holdings (xlsx) Content Type OA ? PCA ? Journals Yes N/A Request a holdings comparison Portico provides a free holdings comparison service to compare a library’s journal or book holdings to the Portico archive. Search titles and ISSNs by keyword: Show: E-Journals All0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Titles start with R (3) ISSN Status Research Ideas and Outcomes 2367-7163 preserved Research Results in Pharmacology 2588-0535, 2658-381X preserved Rethinking Ecology 2534-9260 preserved