| Main source of information | Scientific type of information | Commercial type of information | Legal type of information | Scientific and commercial | Total | Chi-square Value |
| Books | 16 (61.5%) | 8 (30.8%) | 0 (0.0%) | 2 (7.7%) | 26 (100%) | Missing values |
| Journals | 7 (87.5%) | 1 (12.5%) | 0 (0.0%) | 0 (0.0%) | 8 (100%) | Missing values |
| Newspaper and magazines | 10 (58.8%) | 4 (23.5%) | 1 (5.9%) | 2 (11.8%) | 17 (100%) | Missing values |
| Electronic media | 59 (57.3%) | 30 (29.1%) | 8 (7.6%) | 8 (7.6%) | 105 (100%) | Missing values |
| Extension workers | 68 (39.5%) | 68 (39.5%) | 15 (8.6%) | 23 (13.2%) | 174 (100%) | Missing values |
| ICT tools | 16 (43.2%) | 8 (21.6%) | 2 (5.4%) | 11 (29.7%) | 38 (100%) | Missing values |
| Total | 176 (48.5%) | 119 (32.8%) | 26 (7.06%) | 46 (12.4%) | 368 (100%) | X2 = 30.479 |