南方艺术团/南方艺术研究会（1972-1997）= Southern arts society (1972-1997) by 王善田 Ong, Shan Tian

“…The Southern Arts Society was founded in 1972 and it performed theatre works that emphasised on the working class and communist ideologies. In 1976, the Singapore government arrested a group of dramatist under the Internal Security Act, including several members from Southern Arts Society. …”
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论东南亚海南族群改善生活与社会地位的过程 = A study about Southeast Asia Hainanese's road to better life and status by 何易娗 Oh, Desiree Yi Ting

“…As most of the occupation areas have been occupied by other gangs, Hainan people mainly engaged in the occupation of the working class, especially the low-level service industry. …”
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