“ Design and Implementation of Printed Spiral Coils used in Wireless Power Transmission Systems for Implantable Biomedical Devices” (2021) Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), 42(1), pp. 186–207. doi:10.55562/jrucs.v42i1.165.