From statement 3, Japanese and chinese did not belong to automation à A is indian
From statement 7, B and G belong to the same country and D is from Japan.
à Band G can be Indans only. Alos, H will be Japanese
From 5, E and C had some no. of papers, also E has consecutive papers i.e E wrote 2 papers
which means C also wrote 2 pages. Thus B wrote 1 paper as sum (B,C,E,F)= 6
From 3, G can belong to automation
From stat5, C and E are from different areas which can be either of manufacturing and logistics,
thus H is from Logistics
Now A cannot publish in October
H cannot publish in oct as H & A publish in same months
G cannot publish in April as B publish in April
D cannot publish in July.
Thus none of the 4 authors can publish in 4 issues, that means they publish 3 papers each. 

Statement A: Every issue had at least one paper by author(s) from each country – Ture
Statement B: Every issue had at most two papers by author(s) from each area. – Not True