Factors influencing the transformation processes in poultry production in Hanam Province, Vietnam: Challenges, opportunities and implication for policy changes - Dinh Xuan Tung; Phuc Pham Duc; Le Thi Phuong Hong; Nguyen Mai Huong; Tran Thi Tuyet Hanh; Tran Minh Hang; Hung Nguyen-Viet (2014)