TY - JOUR AU - Nayak, Suvasis AU - Ojha, Akshay TI - On multi-level multi-objective linear fractional programming problem with interval parameters JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2019 SP - 1601 EP - 1616 VL - 53 IS - 5 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2018063/ DO - 10.1051/ro/2018063 LA - en ID - RO_2019__53_5_1601_0 ER -