Sufahmi,Chablullah Wibisono,Tri Dyah Prastiti, Elli Widia 2022. The Effect of Spiritual Motivation, Competence, And Leadership on Food Security Performance Through Implementation of Policy at Agriculture and Food Security Department Lingga District, Riau Islands, Indonesia. Turkish Journal of Computer and Mathematics Education (TURCOMAT). 13, 2 (Mar. 2022), 215–225. DOI:https://doi.org/10.17762/turcomat.v13i2.12195.