need vba to copy sheets from closed workbook and paste into all closed wb's

Dear experts

I have N number of xlsb workbooks in target path i want add four sheets in every closed workbook from particular file. i getting tired by doing manually for this task

i have files like Jan,Feb,Mar,....etc in path folder C:\Users\Zionscar\Desktop\fy-16. and
i have saved separate workbook called zonefile.xlsb in separate path with four sheet zone1,2,3,4 i want add these four sheets into every files in target path.

please find the attachment