Architectural value in tanggam System on the traditional Malay house by Abdul Rahman, Noraslinda, Ahmad, Mohd. Hamdan, Daud, Rohayu, Abd. Rahim, Siti Azira, Sharkawi, Nasrudin, Abdullah, Samsiah, Arshard, Wan Nur Rukiah, Syed Mahdzar, Sharifah Salwa