TY - JOUR AU - M. Sohel Rahman AU - Kunihiko Sadakane AU - Wing-Kin Sung TI - Guest editors' foreword JO - Journal of Graph Algorithms and Applications PY - 2021 SP - 603 EP - 604 VL - 25 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00577/ DO - 10.7155/jgaa.00577 LA - en ID - JGAA_2021_25_2_a0 ER -