▁Go a ▁har bour ▁( now ▁on ▁the ▁Zu ari ▁river , ▁near ▁A ga ça im ) ▁l ends ▁support ▁to ▁this ▁th esis . ▁Cos me ▁Jose ▁Costa , ▁historian ▁at ▁P ilar , ▁Go a , ▁has ▁dedicated ▁a ▁recent ▁work ▁to ▁the ▁imp lications ▁of ▁this ▁discovery : ▁Apost ol ic ▁Christian ity ▁in ▁Go a ▁and ▁in ▁the ▁West ▁Coast . ▁The ▁Cross ▁be ars ▁an ▁ins cription ▁in ▁P ah la vi , ▁which , ▁Costa ▁reports , ▁was ▁the ▁lit urg ical ▁language ▁of ▁the ▁church ▁associated ▁with ▁the ▁Metropolitan ▁of ▁F ars . ▁ ▁Cos me ▁Costa ▁speak s ▁of ▁Go a ▁as ▁a ▁trad ing ▁centre ▁with ▁the ▁Middle ▁East ▁and ▁with ▁Rome . ▁He ▁speak s ▁of ▁the ▁Apost le ▁Thomas ▁making ▁his ▁way ▁over ▁land ▁to ▁Ker ala ▁- ▁and ▁it ▁is ▁not ▁imp laus ible ▁that ▁he ▁passed ▁through ▁Go a ▁and ▁the ▁Kon kan ▁coast . ▁He ▁also ▁exam ines ▁the ▁evidence ▁of ▁the ▁Apost le ▁Bar th ol ome w ▁having ▁done ▁more ▁or ▁less ▁the ▁same ▁thing . ▁Cos me ▁Costa ' s ▁book ▁contains ▁a ▁ch . ▁ 6 ▁dedicated ▁to ▁the ▁exam ination ▁of ▁Pre - Port ug uese ▁references ▁to ▁Christian ity ▁in ▁Go a . ▁Ch . ▁ 7 ▁exam ines ▁the ▁v estig es ▁of ▁Pre - Port ug uese ▁Christian ▁Custom s ▁in ▁Go a ▁and ▁the ▁Kon kan . ▁Costa ▁also ▁suggests ▁that ▁the ▁' B etal ' ▁wor sh ipped