Afif, A. and Rafik, Z. (2022) “The Strategy of Grain Traders in Rice Cultivation from a Sharia Economic Perspective: Case Study in Jangkar District, Situbondo Regency”, LANGGAR: Journal of Social, Humanities, and Islamic Study, 1(1), pp. 1–19. Available at: https://langgar.amiin.or.id/index.php/langgar/article/view/7 (Accessed: 14 October 2025).