ለማህበራዊ ጥናቶች እና ኢፒዶሚዮሎጂ ምርምር ግኝቶች የበለጠ ዝርዝር ንፅፅር ለማግኘት, Keiding and Louis (2016).
Kuti mupeze kufotokoza mwatsatanetsatane kwa zolinga za kafukufuku ndi zofufuza za matenda, onani Keiding and Louis (2016).