A. Mohd Sa’afie and M. Z. Muda, “The Variety Of Hibah As An Wealth Planning Instrument: A Literature Review: Kepelbagaian Produk Hibah Sebagai Instrumen Perancangan Harta: Sorotan Literatur”, alqanatirjournal, vol. 10, no. 1, pp. 31–41, May 2018.