Sesquiterpenes from the rhizomes of Curcuma heyneana - Umar, Rahayu Utami; Sukari, Mohd Aspollah; Abd Rashid, Nur Yuhasliza; Abdul, Ahmad Bustamam; Lajis, Nordin; Rahmani, Mawardi (Faculty of Science, Universiti Putra Malaysia, 2009)