N. Yamada, K.C. Khoo, and Mohd. Nor Mohd. Yusoff, “SULPHATE PULPING CHARACTERISTICS OF <em>ACACIA</em> <em>HYBRID</em>, <em>ACACIA</em> <em>MANGIUM</em> AND <em>ACACIA</em> <em>AURICULIFORMIS</em> FROM SABAH”, JTFS, vol. 4, no. 3, pp. 206–214, Mar. 1992.