Nainggolan, H. L. (2019) “Structural modelling of rice fields-buffalo livestock based integrated agricultural systems in the context of regional development in Humbang Hasundutan, Indonesia”, Future of Food: Journal on Food, Agriculture and Society, 7(2), p. Article Nr. 106. Available at: https://thefutureoffoodjournal.com/manuscript/index.php/FOFJ/article/view/251 (Accessed: 31 January 2025).