id	keyword
american_scientific_journal-1752	teachers
american_scientific_journal-1752	teaching
american_scientific_journal-1752	education
american_scientific_journal-1752	research
american_scientific_journal-1752	malawi
american_scientific_journal-1752	challenges
american_scientific_journal-1752	pre
american_scientific_journal-1752	university
american_scientific_journal-1752	tanzania