The development of Malaysian food variety indicator (MFVI) among low income households in Malaysia: a pilot study - Zainal Badari, Shamsul Azahari; Mahmud, Abdul Rahman; Hashim, Ahmad Hariza; Osman, Syuhaily; Sulaiman, Norhasmah (Kementerian Perdagangan Dalam Negeri dan Hal Ehwal Pengguna, 2018)