Busyro, Busyro, et al. “DEVIASI ARAH KIBLAT MUSHALLA SPBU JALUR LINTAS PADANG-PEKANBARU DALAM TINJAUAN PENGUKURAN ARAH KIBLAT KONTEMPORER”. Istinbath, vol. 18, no. 2, Feb. 2020, https://www.istinbath.or.id/index.php/ijhi/article/view/170.