E. Simanullang, Marlina Nababan, and Zulkarnaen Batubara, “THE EFFECT OF COUNTERPESURE MASSAGE TECHNIQUE IN REDUCING LABOR PAIN IN PARTICULAR MOTHERS IN THE 1ST ACTIVE PHASE AT THE RATNA SARI SEI CLINIC SENDING IN 2023: THE EFFECT OF COUNTERPESURE MASSAGE TECHNIQUE IN REDUCING LABOR PAIN IN PARTICULAR MOTHERS IN THE 1ST ACTIVE PHASE AT THE RATNA SARI SEI CLINIC SENDING IN 2023”, MIHHICo, vol. 4, no. 1, pp. 287–290, Jul. 2024.