Olivia Marthy

• Dulliau Ymchwil Mewn Gwyddorau Cymdeithasol
• Forskningsmetoder I Samhällsvetenskap
• Métodos de Investigación en Ciencias Socialess
• Métodos de Pesquisa Em Ciências Sociais
• Raziskovalne Metode V Družboslovju
• Research Methods in Social Sciences (Romanian)
• Research Methods in Social Sciences (Russian)
• Research Methods in Social Sciences (Serbian)
• Research Methods in Social Sciences (Slovak)
• Research Methods in Social Sciences (Turkish)
• Research Methods in Social Sciences (Ukrainian)