Though a somewhat obscure Biblical figure, there is more to Apphia and her contribution to church history than meets the eye. Number 82 from the book, Surrounded By So Great a Cloud of Witnesses: Women of Faith who Revolutionized History by Dr. Lee Ann B. Marino (Photini Press, 2018).
You can find copies here: https://www.amazon.com/gp/product/194019752X/ref=dbs_a_def_rwt_hsch_vapi_taft_p5_i0
