Sustamy RP, Oktavia EZ. THE EFFECTIVENESS OF COMBINED PERINEAL MASSAGE AND KEGEL EXERCISES ON THE DEGREE OF PERINEAL LACERATION IN PRIMIGRAVIDA MOTHERS AT PRATAMA S CLINIC, BOJONEGORO. IJNER [Internet]. 2026 Sep. 29 [cited 2026 Sep. 29];9(3):97-104. Available from: https://www.ijner.org/index.php/IJNER/article/view/405