Any one can share Documents on Comparative Costing Study (Cost effective analysis) of Wet Feeding interventions to compare with IYCF interventions?

I am working with INGO in Nigeria and want to conduct Comparative costing study (Cost Analysis) of the IYCF activities to compare them with wet feeding interventions as well as the monthly MUAC screening. If you have any documents or idea on how I can go about it please share with me. Thank you