Socio-economic background of herbal industry in Peninsular Malaysia - Ar Rohana; S Siti Zubaidah; Ab Ariff Fahmi; Nm Nik Zanariah; Hf Lim; Ar Rohana; S Siti Zubaidah; Ab Ariff Fahmi; Nm Nik Zanariah; Hf Lim (IDG Books, 2017)