NEHAWU's protest has entered its 15th day without an agreement with the University of Pretoria (UP).
The trade union said they would continue protesting at UP in Hatfield, Tshwane, until their 7% salary increase and other demands are met.
The Nehawu-led march continued on Thursday, 7 March, and they said the workers' demands include a 13th cheque, five days of leave encashment, and long-service benefits at 10, 15, and 20 years.
Nehawu alleges that student registration fees have increased by 100% over the past two years.
The union's chairman of the UP branch, Tlou Matuba, said the university must give workers what they want.
"It's been long. We want to take this to the Minister of Higher Education, Professor Blade Nzimande, to say he can't have people protest for three weeks and not intervene. Nzimande should intervene," he said.
Nehawu wants the university to address workers' issues.
"We still engage with the employer. This Saturday we'll engage the university. CCMA officials are part of the engagement. We didn't expect the matter to take this long," Matuba said.
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He said if the matter is not resolved, they'll continue protesting.
"A few of our members are working because they're intimidated by management. They're intimidating our people," he said.
Matuba added that the protest would end when management gave them a reasonable increase and a 13th cheque to be reinstated.
He said the university must bring back security officials who have been suspended.
Nehawu regional Deputy Secretary in Tshwane, Goitsemang Mathekga said: "We're hoping to find each other with intervention from the CCMA."
University of Pretoria spokesman, Rikus Delport said: "Nehawu is continuing with its strike action. We've seen a limited impact on university operations as only almost 200 workers are participating in the strike, and other workers have managed to assist with their responsibilities. Talks between the university and the unions are ongoing."
