Figure 4
The vertical axis of the vertical bar graph ranges from 0 to 7 in increments of 1. The horizontal axis lists the countries: “Malaysia,” “U S A,” “South Africa,” “India,” “Nigeria,” “Sri Lanka,” “Canada,” “Egypt,” “Brazil,” “Hungary,” “Indonesia,” “Ireland,” “Pakistan,” “Saudi Arabia,” “Spain,” “Sweden,” “Greece,” “Iran,” “Italy,” ‘Jordan,” “Norway,” “Portugal,” “Romania,” “U K,” “Vietnam.” A vertical bar is shown for each country. A legend at the bottom shows that each bar shows the number of publications. The data from the graph is as follows: Malaysia: 7. U S A: 7. South Africa: 6. India: 4. Nigeria: 4. Sri Lanka: 4. Canada: 3. Egypt: 3. Brazil: 2. Hungary: 2. Indonesia: 2. Ireland: 2. Pakistan: 2. Saudi Arabia: 2. Spain: 2. Sweden: 2. Greece: 1. Iran: 1. Italy: 1. Jordan: 1. Norway: 1. Portugal: 1. Romania: 1. U K: 1. Vietnam: 1.Number of publications by countries of the first author’s affiliation. Source: Authors’ own work