Overcoming the Duty Cycle Limits of the Two-Switch Forward - EE Times
Zero-voltage-switching interleaved two-switch forward converter with phase-shift control | Semantic Scholar
Design, modelling, and implementation of a modified double‐switch flyback‐forward converter for low power applications - Eshkevari - 2019 - IET Power Electronics - Wiley Online Library
Two- and four-switch power conversion topologies - Power Electronic Tips