Muhammad Yusof bin Ibrahim. Syair jiwa merdeka : kumpulan syair / Muhd. Yusof Ibrahim. - Cetakan pertama. - v, 230 pages ; 22 cm Poems. In Malay. ISBN: 9789834609122 LCCN: 2013305181 LC Class. No.: MLCSE 2013/00976 (P)