Hutabarat, S.S. et al. 2021. HULING HULING ACCA (HHA) AS ENGLISH RIDDLES FOR FUN EFL LEARNING STRATEGY IN TOBA. ELT (English Language Teaching Prima Journal). 3, 1 (Jun. 2021), 69–81. DOI:https://doi.org/10.34012/elt.v%vi%i.1747.