R. MUANGSRI, P. CHUYSINUAN, T. THANYACHAROEN, S. TECHASAKUL, P. SUKHAVATTANAKUL, and S. UMMARTYOTIN, “Utilization of freeze thaw process for polyvinyl alcohol/sodium alginate (PVA/SA) hydrogel composite”, J Met Mater Miner, vol. 32, no. 2, pp. 34–41, Jun. 2022.